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X. Read the passage carefully and do the tasks. There are many kinds of pollution. Air, water, and land can be polluted. Some pollution is caused by nature, such as foods, forest fires, and volcanoes. People are the major Cause of pollution. We pollute the air with our cars, homes, and factories. Smoke from factories and car exhaust makes the air looks gray and smoggy. Some people cannot go outside when the air is very bad! We pollute the water by dumping garbage and Chemicals in the water....
Đọc tiếp

X. Read the passage carefully and do the tasks.
There are many kinds of pollution. Air, water, and land can be polluted. Some pollution is caused by
nature, such as foods, forest fires, and volcanoes. People are the major Cause of pollution. We pollute the
air with our cars, homes, and factories. Smoke from factories and car exhaust makes the air looks gray and
smoggy. Some people cannot go outside when the air is very bad! We pollute the water by dumping
garbage and Chemicals in the water. Plants and animals die because of the pollution in the water. We
pollute the soil with Chemicals and garbage. We harm the land by cutting down trees in the forest,
especially to build roads and new houses without careful planning and thinking.
The only way to save our environment is to think about pollution. How can you stop or limit pollution?
How do we protect our environment? Conservation is one way to protect our environment. Conservation is
the wise use and protection of our environment. We can control water pollution by not producing as much
as waste and by proper disposal of sewage and garbage. We can take care of recreation land by cleaning up,
after ourselves and not causing more pollution. Carpooling and public transportation will help reduce air
pollution.
Recycling is a type of conservation. Recycling is reusing items over again or in a new way. Recycling can
help us conserve our natural resources so they will last many more years. A. Find the word in bold in the
passage that means:
1. the protection of the natural environment ____
2. have a bad effect on something ____
3. a large amount of water covering an, area that usually dry ____
4. sharing a car ride with other people ____
5. waste gases that come out of an engine ____
6. the process of making air, water, soil, etc. dirty ____
7. get rid of ____
B. Choose the correct answers.
1. According to the passage, pollution________
A. is always caused by humans. B. can only be caused by nature.
C. is mainly caused by humans. D. may sometimes cause natural disasters.
2. What kind of pollution may a car cause?
A. Air pollution B. Water pollution C. Soil pollution D. Light pollution
3. Which of the followings is not an example of soil pollution?
A. Land development B. Waste disposal
C. Pesticide or fertilizer use D. Exhaust from traffic
4. How can we help save our environment?
A. Stop pollution. B. Dump garbage into the river.
C. Drive cars everywhere. D. Cut down trees in the forests.
5. How does recycling help the environment?
A. It expands landfills. B. It saves natural resources.
C. It increases water pollution. D. It causes air pollution.

6. What can we do to help reduce air pollution?
A. Walk or bike B. Carpool to work or school
C. Use public transport D. All of the above
7. What is the main idea of this article?
A.The air is dirty because of cars and factories. B. The soil gets polluted from littering.
C.People cause pollution, but they can also stop or limit it.
D. Conservation is the only way to stop environmental pollution.

1
7 tháng 3 2021

1-c;2-a;3-d;4-a;5-b;6-d;7-c

I.Put the verbs into the correct form: 1.If people (be)..............fully aware of the dangers of air pollution,they (damage)....................the atmosphere this way 2.We (not be).......................able to drink that water if it is not refined 3.If you (reduce)........................the number of bulbs in your house,you (pay)....................less money for the electricity bill next month II.Fill in the blank with the correct form of the given word 1.Many people don't know about...
Đọc tiếp

I.Put the verbs into the correct form:

1.If people (be)..............fully aware of the dangers of air pollution,they (damage)....................the atmosphere this way

2.We (not be).......................able to drink that water if it is not refined

3.If you (reduce)........................the number of bulbs in your house,you (pay)....................less money for the electricity bill next month

II.Fill in the blank with the correct form of the given word

1.Many people don't know about the........................of soil pollution (dangerous)

2.The river is seriously....................by the factory's waste (contaminate)

3.The water color can show us how..................the river is (pollute)

III.Find one mistake in each sentence and correct it

1.Constant exposure to noise pollution will lead in the loss of hearing (gạch chân ở to,will,in,loss)

2.Because of we turned on a lot of bulbs,our eyes got strained (gạch chân ở because of,on,got,strained)

3.If the environment were not polluted, birds wouldn't leave their habitats and plants would die (gạch chân ở polluted,wouldn't,habitats,would)

1
30 tháng 3 2019

I.Put the verbs into the correct form:

1.If people (be).......were.......fully aware of the dangers of air pollution,they (damage)....would damaged................the atmosphere this way

2.We (not be)..........wouldn't be.............able to drink that water if it is not refined

3.If you (reduce)...........reduce.............the number of bulbs in your house,you (pay)...........will pay.........less money for the electricity bill next month

II.Fill in the blank with the correct form of the given word

1.Many people don't know about the.........dangerousness...............of soil pollution (dangerous)

2.The river is seriously............contaminated........by the factory's waste (contaminate)

3.The water color can show us how......polluted............the river is (pollute)

III.Find one mistake in each sentence and correct it

1.Constant exposure to noise pollution will lead in the loss of hearing (gạch chân ở to,will,in,loss)

2.Because of we turned on a lot of bulbs,our eyes got strained (gạch chân ở because of,on,got,strained)

3.If the environment were not polluted, birds wouldn't leave their habitats and plants would die (gạch chân ở polluted,wouldn't,habitats,would)

30 tháng 3 2019

Mấy cái từ bạn in đậm sửa thành j vậy

Give the correct form of the words given to complete the sentences. 1.The ______________ of lakes, rivers, oceans or underwater CONTAMINATE water pollution. 2. The street doesn’t look_____________ because it has a lot of rubbish.ATTRACT 3. The music club made so much noise that the__________ complained to REDIDE its owner. 4. Are all types of pollution__________ to the health of humans and animals? HARM 5. The_____________ are concerned about the oil spills in East Sea. ENVIROMENT 6. Dumping...
Đọc tiếp

Give the correct form of the words given to complete the sentences.
1.The ______________ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_____________ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the__________ complained to REDIDE
its owner.
4. Are all types of pollution__________ to the health of humans and animals? HARM
5. The_____________ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ___________waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink _________water. TREAT
8.Examples of primary________________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water____________ , more people will have fresh water. CARE
10. The polluted water results in the _________of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
___________________________________________________________________
2. The environment is polluted. Birds leave their habitats and plants die. (make)
___________________________________________________________________
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
___________________________________________________________________
4. The food is contaminated. People’s health is poor. (results in)
___________________________________________________________________
5. Factories release fumes. The air breathe gets polluted. (due to)
___________________________________________________________________
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
___________________________________________________________________
2. The local people have to use water from the polluted river. They don’t have fresh water.
___________________________________________________________________
3. Trees and grasses cannot grow here. The soil is badly polluted.
___________________________________________________________________
4. Mr Quang works in a noisy environment. His hearing becomes worse.
___________________________________________________________________

5
31 tháng 12 2017

Give the correct form of the words given to complete the sentences.
1.The _______contaminaion_______ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_______attractive______ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the_____residents_____ complained to REDIDE
its owner.
4. Are all types of pollution_____harmful_____ to the health of humans and animals? HARM
5. The______environmentalists_______ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ______industrial_____waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink ____untreated_____water. TREAT
8.Examples of primary________pollutants________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water______carefully______ , more people will have fresh water. CARE
10. The polluted water results in the ____death_____of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
-> Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
2. The environment is polluted. Birds leave their habitats and plants die. (make)
-> The pollution of the environment makes birds leave their habitats and plants die.
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
-> Plastic bags are a major source of waste so we should not throw plastic bags everywhere.
4. The food is contaminated. People’s health is poor. (results in)
-> The contamination of the food results in people's poor health.
5. Factories release fumes. The air breathe gets polluted. (due to)
-> The air breathe gets polluted due to the release of fumes from factories.
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
-> If the factory weren't located near our village, there wouldn't be air pollution and noise pollution.
2. The local people have to use water from the polluted river. They don’t have fresh water.
-> If the local people had fresh water, they wouldn't have to use water from the polluted river.
3. Trees and grasses cannot grow here. The soil is badly polluted.
-> If the soil weren't badly polluted, trees and grass could grow here.
4. Mr Quang works in a noisy environment. His hearing becomes worse.
-> If Mr Quang didn't work in a noisy environment, his hearing wouldn't become worse.

30 tháng 12 2017

Give the correct form of the words given to complete the sentences.
1.The _______contaminaion_______ of lakes, rivers, oceans or underwater CONTAMINATE
water pollution.
2. The street doesn’t look_______attractive______ because it has a lot of rubbish.ATTRACT
3. The music club made so much noise that the_____residents_____ complained to REDIDE
its owner.
4. Are all types of pollution_____harmful_____ to the health of humans and animals? HARM
5. The______environmentalists_______ are concerned about the oil spills in East Sea. ENVIROMENT
6. Dumping ______industrial_____waste into the lakes and rivers has caused INDUSTRY
Serious water pollution.
7. Many people in this area have cholera because they drink ____untreated_____water. TREAT
8.Examples of primary________pollutants________are exhaust fumes from cars, POLLUTE
soot from smoke and ash from volcanic eruption.
9. If we use water______carefully______ , more people will have fresh water. CARE
10. The polluted water results in the ____death_____of many aquatic animals DIE
And plants.
III. Combine the sentences in each pair into a new sentence that shows a cause/effect relationship. Use the words in brackets.
1.Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes. (because)
-> Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are poisoned.
2. The environment is polluted. Birds leave their habitats and plants die. (make)
-> The pollution of the environment makes birds leave their habitats and plants die.
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere. (so).
-> Plastic bags are a major source of waste so we should not throw plastic bags everywhere.
4. The food is contaminated. People’s health is poor. (results in)
-> The contamination of the food results in people's poor health.
5. Factories release fumes. The air breathe gets polluted. (due to)
-> The air breathe gets polluted due to the release of fumes from factories.
IV. Combine each pair of sentences to form a conditional sentence, using “if” Type 2.
1.The factory is located near our village. There is air pollution and noise pollution.
-> If the factory weren't located near our village, there wouldn't be air pollution and noise pollution.
2. The local people have to use water from the polluted river. They don’t have fresh water.
-> If the local people had fresh water, they wouldn't have to use water from the polluted river.
3. Trees and grasses cannot grow here. The soil is badly polluted.
-> If the soil weren't badly polluted, trees and grass could grow here.
4. Mr Quang works in a noisy environment. His hearing becomes worse.
-> If Mr Quang didn't work in a noisy environment, his hearing wouldn't become worse.

E. WRITING 1. Reorder the words to make full sentences. 1. of bodies/ directly/ Air pollution/ contaminate/ can/ of water and soil/ the surf2. trees/ so much/ don't/ We/ if/ we/ waste/ will/ thousands of/ paper/ save.3. would/bad/ air pollution/ What/ got/ you/ really/ do/ if?4. as/ the death/ Polluted water/ animals/ of/ fish and crabs/ such/ aquatic/ causes5. went/ more/ less/ to/ If/ we/ recycled/ rubbish/ landfill sites.6. the overuse/ has/ Agriculture/ on/ an/ land pollution/ impact/ of/...
Đọc tiếp

E. WRITING 1. Reorder the words to make full sentences

. 1. of bodies/ directly/ Air pollution/ contaminate/ can/ of water and soil/ the surf

2. trees/ so much/ don't/ We/ if/ we/ waste/ will/ thousands of/ paper/ save.

3. would/bad/ air pollution/ What/ got/ you/ really/ do/ if?

4. as/ the death/ Polluted water/ animals/ of/ fish and crabs/ such/ aquatic/ causes

5. went/ more/ less/ to/ If/ we/ recycled/ rubbish/ landfill sites.

6. the overuse/ has/ Agriculture/ on/ an/ land pollution/ impact/ of/ chemicals/ due t

7. much/ cities/ lights/ use/ Too/ of/ cause/ in/ may/ light pollution/ electric

8. our time/ is/ one/ most/ of/ problems/ serious/ Water pollution/ the/ of/ environmenia

II. Complete the second sentence so that it has the same meaning to the first one.

1. I think you should use energy efficient light bulbs. If I

2. He produced a great idea for our environmental project.

giúp mình với ạ , mình cần gấp

mình cảm ơn

1
8 tháng 4 2020

Ex1 : 

1.Air pollution can contaminate directly of bodies water and soil of  the surface 

2.We will waste so much paper if we don't save thousands of trees .

3.What đo you really got if air pollution would be bad ?

4. Polluted water causes sach as the death of fish and crab ,aqua,animals . 

5. If we recycle more rubbish ,it went to less landfill sites .

6.Agriculture has been impacted due to the overuse of chemicals on land pollution

7.Too much light is used in cities may cause of light pollution electric 

8. Water pollution is one of the most serious enviroment problems of our time

18 tháng 8 2023

Tham khảo:

1. We should wait here until it gets dark.
2. As soon as l arrived, I will buy you a present.
3. Remember to lock the door before going to the party.
4. There were not many animals on the mountain after the deforestation.
5. When we finished our picnic, we cleaned up the campsite and headed home.

NG
18 tháng 8 2023

Tham khảo

1. We should wait here until it gets dark.

2. As soon as l arrived, I will buy you a present.

3. Remember to lock the door before going to the party.

4. There were not many animals on the mountain after the deforestation.

5. When we finished our picnic, we cleaned up the campsite and headed home.

12 tháng 3 2020

Tham khảo:

Perilous pollutants may contain various types of impurities including harmful chemicals, dissolved gases, suspended matters, dissolved minerals, and even microbes. All the contaminants reduce the level of dissolved oxygen in the water and affecting the lives of animals and human beings to a great extent. Dissolved oxygen is the oxygen present in water required by the aquatic system to continue the lives of plants and animals. However biochemical oxygen is the demanded oxygen by the aerobic micro-organisms to oxidize organic matters of wastes. Water pollution is caused by two means, one is natural water pollution ( due to the leaching of rocks, decay of organic matters, decay of dead matters, silting, soil erosion, etc ) and another one is man-made water pollution ( due to the deforestation, set up of industries near large water bodies, high level emission of industrial wastes, domestic sewage, synthetic chemicals, radio-active wastes, fertilizers, insecticides, pesticides etc )

12 tháng 3 2020

Chị lấy bài bên link của em nha! :))

: I. Choose the best answer: 1. If the factory (continues/ to continue/ continued) dumping poison into the lake, all the fish and other aquatic animals will die. 2. Water (pollution/ pollute/ polluted) in the lake has made the fish die. 3. Mi and Nick like (comes/ come/ coming) back Mi’s home village on holiday. 4. If the factory continues dumping poison into the lake, all the fish and other aquatic animals (will die/ to die/ dead) 5.Water pollution is the (contaminating/...
Đọc tiếp

: I. Choose the best answer:

1. If the factory (continues/ to continue/ continued) dumping poison into the lake, all the fish and other aquatic animals will die.

2. Water (pollution/ pollute/ polluted) in the lake has made the fish die.

3. Mi and Nick like (comes/ come/ coming) back Mi’s home village on holiday.

4. If the factory continues dumping poison into the lake, all the fish and other aquatic animals (will die/ to die/ dead)

5.Water pollution is the (contaminating/ contaminate/ contamination) in the lake has made the fish die.

6. If we (will use/ would use/ use) water carefully, more people will have fresh water.

7. If the factory continues dumping poison (into/ to/ about) the lake, all the fish and other aquatic animals will

die.

8. Farmers in our area usually use (pesticides/ herbicides/ waste/ sewage) to kill insects

9. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems

10. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation)

11. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants may also die

12. (Noise/ Headache/ Earplug/ Symptom) is any sound that is loud and constant.

13. Do you know what (polluted/ pollute/ pollution/ pollutant) cause air pollution

14. (Poison/ Poisonous/ Poisoning/ Poisoned) chemical waste is dumped into the river by many factories

15. The (dead/ die/ death/ died) fish are floating in the water.

16. We plant trees, (due to/ because/ because of/ so) we can have fresh air.

17. When the loudness of sounds is more than (20 dBs/ 30dBs/ 50 dBs/ 70dBs), noise pollution happens

18. Too much carbon dioxide (CO2) in the atmosphere (causes/ lead/ result/ make) to global warming

19. Waste from households will gradually (contamination/contaminate/contaminant/ contaminated) the lake.

20. When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes.

21.We can’t see stars at night (because of/ because/ since/ due) the light pollution.

22.If you (was / were/ are/ could be) in my position, you would understand me.

23.When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes.

24.Many seabirds were (die/ death/ dead/ died) because of the oil spill.

25.(Aquatic/ Electric/ Chemical/ Fresh) plants may also die because of the polluted water

26. Many animals eat the (litter/ energy/ aqua/ temperature) and become sick.

27. The acid rain has caused (damage/ advantage/ pollutant/ environment) to the trees in this area.

28.If I (have/ has/ had/ will have) one million US dollars , I would build more parks in our city.

1
21 tháng 2 2020

: I. Choose the best answer:

1. If the factory (continues/ to continue/ continued) dumping poison into the lake, all the fish and other aquatic animals will die.

2. Water (pollution/ pollute/ polluted) in the lake has made the fish die.

3. Mi and Nick like (comes/ come/ coming) back Mi’s home village on holiday.

4. If the factory continues dumping poison into the lake, all the fish and other aquatic animals (will die/ to die/ dead)

6. If we (will use/ would use/ use) water carefully, more people will have fresh water.

7. If the factory continues dumping poison (into/ to/ about) the lake, all the fish and other aquatic animals will die

8. Farmers in our area usually use (pesticides/ herbicides/ waste/ sewage) to kill insects

9. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems

10. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation)

11. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants may also die

12. (Noise/ Headache/ Earplug/ Symptom) is any sound that is loud and constant.

13. Do you know what (polluted/ pollute/ pollution/ pollutant) cause air pollution

14. (Poison/ Poisonous/ Poisoning/ Poisoned) chemical waste is dumped into the river by many factories

15. The (dead/ die/ death/ died) fish are floating in the water.

16. We plant trees, (due to/ because/ because of/ so) we can have fresh air.

17. When the loudness of sounds is more than (20 dBs/ 30dBs/ 50 dBs/ 70dBs), noise pollution happens ( cái này mình cũng không nhớ rõ , ở trong SGK có á , bạn giở ra xem nhé )

18. Too much carbon dioxide (CO2) in the atmosphere (causes/ lead/ result/ make) to global warming

19. Waste from households will gradually (contamination/contaminate/contaminant/ contaminated) the lake.

20. When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes.

21.We can’t see stars at night (because of/ because/ since/ due) the light pollution.

22.If you (was / were/ are/ could be) in my position, you would understand me.

23.When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes.

24.Many seabirds were (die/ death/ dead/ died) because of the oil spill.

25.(Aquatic/ Electric/ Chemical/ Fresh) plants may also die because of the polluted water

26. Many animals eat the (litter/ energy/ aqua/ temperature) and become sick.

27. The acid rain has caused (damage/ advantage/ pollutant/ environment) to the trees in this area.

28.If I (have/ has/ had/ will have) one million US dollars , I would build more parks in our city.

#Yumi

XI. Joining two sentences, using the words in brackets. 1. We must conserve water. Otherwise we will face serious water shortages. (IF) ________________________________________________________________ 2. The weather was awful. We didn’t enjoy our camping holiday. (BECAUSE OF) ________________________________________________________________ 3. Plastic bags are non-biodegradable. They will remain in the environment for many...
Đọc tiếp

XI. Joining two sentences, using the words in brackets.
1. We must conserve water. Otherwise we will face serious water shortages. (IF)
________________________________________________________________
2. The weather was awful. We didn’t enjoy our camping holiday. (BECAUSE OF)
________________________________________________________________
3. Plastic bags are non-biodegradable. They will remain in the environment for many years.
(SINCE)
________________________________________________________________
4. Paul doesn’t think about the planet. He wastes so much water. (IF)
________________________________________________________________
5. Water pollution happens. Many aquatic animals such as fish can die. (LEAD)
________________________________________________________________
6. The climate is changing. The earth is getting warmer. (BECAUSE)
________________________________________________________________
7. We should stop cutting down so many trees. We endanger our oxygen supply. (UNLESS)
________________________________________________________________
8. People begin to recycle. They generate much less trash. (WHEN)
________________________________________________________________
9. We are damaging the ozone layer. The ozone layer is necessary for human existence.
(EVEN THOUGH)
________________________________________________________________
10. Sue is suffering from skin cancer. She was exposed to radiation when she was young. (SO)
________________________________________________________________

1
12 tháng 3 2020

XI. Joining two sentences, using the words in brackets.
1. We must conserve water. Otherwise we will face serious water shortages. (IF)
__________________If we don't conserve water, we will face serious water shortages ______________________________________________
2. The weather was awful. We didn’t enjoy our camping holiday. (BECAUSE OF)
____________________Because of the awful weather, we didn't enjoy our camping holiday____________________________________________
3. Plastic bags are non-biodegradable. They will remain in the environment for many years.
(SINCE)
______________________Plastic bags will remain in the environment for many years since they are non-biodegradable__________________________________________
4. Paul doesn’t think about the planet. He wastes so much water. (IF)
_______________________If Paul though about the planet, he wouldn't waste so much water_________________________________________
5. Water pollution happens. Many aquatic animals such as fish can die. (LEAD)
____________________Water pollution can lead to the death of many aquatic animals such as fish___________________________________________
6. The climate is changing. The earth is getting warmer. (BECAUSE)
_______________________Because the climate is changing, the earth is getting warmer _________________________________________
7. We should stop cutting down so many trees. We endanger our oxygen supply. (UNLESS)
_________________________Unless we stop cutting down so many trees, we will endanger our oxygen supply _______________________________________
8. People begin to recycle. They generate much less trash. (WHEN)
_____________________________When people begin to recycle, they generate much less trash___________________________________
9. We are damaging the ozone layer. The ozone layer is necessary for human existence.
(EVEN THOUGH)
___________________________Even though the ozone layer is necessary for human existence, we are damaging the ezone layer_____________________________________
10. Sue is suffering from skin cancer. She was exposed to radiation when she was young. (SO)
_______________________Sue was exposed to radiation when she was young so she is suffering from skin cancer_________________________________________