we should write a brochure about Hue Imperial Citadel to prepare for our presentation
=>A brochure should be …………………………………………
K
Khách
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MH
4
22 tháng 6 2020
To have a green, clean and beautiful world, we should not: throw litter indiscriminately, plant more trees, do not discharge toxic gases into the environment, etc. , pretty.
dịch:để có một thế giới xanh ,sạch , đẹp chúng ta không nên : vứt rác bừa bãi, trồng nhiều cây hơn, không thải khí độc ra môi trường,....Có như vậy chúng ta mới có một thế giới xanh, sạch, đẹp.
CHÚC MAY MẮN
HL
1
LB
12 tháng 4 2023
we/ should/ our summer vacation/ I think/ go/ for/ Hue city/ to/.
=> I think we should go to Hue city for our summer vacation.
CHÚC BẠN HỌC TỐT ;)
N
26 tháng 5 2019
1.
Water is uniquely vulnerable to pollution. Known as a “universal solvent,” water is able to dissolve more substances than any other liquid on earth. It’s the reason we have Kool-Aid and brilliant blue waterfalls. It’s also why water is so easily polluted. Toxic substances from farms, towns, and factories readily dissolve into and mix with it, causing water pollution.
Categories of Water PollutionGroundwater
When rain falls and seeps deep into the earth, filling the cracks, crevices, and porous spaces of an aquifer (basically an underground storehouse of water), it becomes groundwater—one of our least visible but most important natural resources. Nearly 40 percent of Americans rely on groundwater, pumped to the earth’s surface, for drinking water. For some folks in rural areas, it’s their only freshwater source. Groundwater gets polluted when contaminants—from pesticides and fertilizers to waste leached from landfills and septic systems—make their way into an aquifer, rendering it unsafe for human use. Ridding groundwater of contaminants can be difficult to impossible, as well as costly. Once polluted, an aquifer may be unusable for decades, or even thousands of years. Groundwater can also spread contamination far from the original polluting source as it seeps into streams, lakes, and oceans.
Surface water
Covering about 70 percent of the earth, surface water is what fills our oceans, lakes, rivers, and all those other blue bits on the world map. Surface water from freshwater sources (that is, from sources other than the ocean) accounts for more than 60 percentof the water delivered to American homes. But a significant pool of that water is in peril. According to the most recent surveys on national water quality from the U.S. Environmental Protection Agency, nearly half of our rivers and streams and more than one-third of our lakes are polluted and unfit for swimming, fishing, and drinking. Nutrient pollution, which includes nitrates and phosphates, is the leading type of contamination in these freshwater sources. While plants and animals need these nutrients to grow, they have become a major pollutant due to farm waste and fertilizer runoff. Municipal and industrial waste discharges contribute their fair share of toxins as well. There’s also all the random junk that industry and individuals dump directly into waterways.
Don't let the Trump administration pollute our drinking water
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Ocean water
Eighty percent of ocean pollution (also called marine pollution) originates on land—whether along the coast or far inland. Contaminants such as chemicals, nutrients, and heavy metals are carried from farms, factories, and cities by streams and rivers into our bays and estuaries; from there they travel out to sea. Meanwhile, marine debris—particularly plastic—is blown in by the wind or washed in via storm drains and sewers. Our seas are also sometimes spoiled by oil spills and leaks—big and small—and are consistently soaking up carbon pollution from the air. The ocean absorbs as much as a quarter of man-made carbon emissions.
Point source
When contamination originates from a single source, it’s called point source pollution. Examples include wastewater (also called effluent) discharged legally or illegally by a manufacturer, oil refinery, or wastewater treatment facility, as well as contamination from leaking septic systems, chemical and oil spills, and illegal dumping. The EPA regulates point source pollution by establishing limits on what can be discharged by a facility directly into a body of water. While point source pollution originates from a specific place, it can affect miles of waterways and ocean.
Nonpoint source
Nonpoint source pollution is contamination derived from diffuse sources. These may include agricultural or stormwater runoff or debris blown into waterways from land. Nonpoint source pollution is the leading cause of water pollution in U.S. waters, but it’s difficult to regulate, since there’s no single, identifiable culprit.
Transboundary
It goes without saying that water pollution can’t be contained by a line on a map. Transboundary pollution is the result of contaminated water from one country spilling into the waters of another. Contamination can result from a disaster—like an oil spill—or the slow, downriver creep of industrial, agricultural, or municipal discharge.
DK
27 tháng 10 2021
Tham khảo:
A healthy lifestyle plays an important role in our daily lives. Actually, a healthy lifestyle includes a balanced diet, regular exercise, and stable relationships.
Firstly, you should eat three meals a day: breakfast, lunch, and dinner. Remember not to skip breakfast because it can help you get through the day. You should also drink a lot of water because it helps your body filter blood well and keep your skin healthy. You should also eat fruits and vegetables. Those food groups contain necessary vitamins. They are good for your digestion.
Secondly, spend at least thirty minutes a day on physical activities. Regular exercise not only improves your health but also prevents some diseases. Besides, it can make you look younger and slimmer. It also helps you reduce stress. Try to exercise every day and never skip exercising for two days in a row.
Thirdly, you should maintain good relationships with people around you: your friends, parents, or neighbors. Thanks to the relationships you hold, you won’t feel lonely or stressed.
In conclusion, keeping fit and staying healthy is an everyday task, starting from the moment we get up to the time we go to bed. Eating sensibly, exercising, and having good relationships will offer you a high-quality life.
MN
1
H
1 tháng 3 2021
Teeth are a part of my face. Teeth help us chew food to help the food fall down to the stomach. teeth will stay with us the rest of the wait. So we need to know how to protect our teeth. Teeth are the part of contact with food so the first thing is to keep your teeth clean is that 2 times a day brushing your teeth morning and night, you can brush 3 times or 4 times a day to keep your teeth white and clean. Next, once a month you should go to the dentist to check your teeth. Next is the way to prevent tooth decay: You should not eat before going to bed to avoid causing tooth decay. If you have cavities, you should visit the dentist and have a doctor help you. Follow these ways and speak will help you protect your teeth most effectively
+ Câu bị động :
we should write a brochure about Hue Imperial Citadel to prepare for our presentation
=>A brochure should be written about Hue Imperial Citadel by us to prepare for our presentation