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To clearly see the role of science and technology in economic growth, it is important to understand the concepts of: what is science, what is technology, between science and technology? Science is a conscious system of phenomena, things, laws of social nature and thought. The purpose of science is to search, to explain the cause of things, phenomena, processes in nature and society of thought. The content of science answers the "why" question. According to the approach from the way of organizing scientific research people divided into basic science and applied science. If science is a consciousness system, technology is a collection of methods, procedures, techniques, know-how, tools, means to convert resources into desired products and services. Technology has four elements: tools, people, information and organization. These four elements interact with one another and together carry out the production process, referring to technology, which refers to " how".
Tham khảo mấy cái definition với causes effects solutions r tự viết he
Soil pollution happens when human activities destroy the earth’s surface.
Causes: pesticides, herbicides, chemical industrial waste, deforestation...
Effects: soil pollution, soil erosions, the upper layer of soil is damaged, effects on wild-life...
Solutions: Fine heavily people who cut the forest and those who release chemicals waste into the ground.
Soil pollution occurs due to untreated disposal of industrial wastes into soil; it has high toxic contaminants, which leads to soil pollution. Industrial wastes have different amount of toxic contents and hazardous chemicals such that when deposited in soil, they affect the soil layer strength in the top soil, thus reducing the soil fertility and biological activity of the soil. In addition to that a hazardous effect leads to ecological imbalances, thus making troubles in crop production. Apart from that, it may cause severe health problem for those who are consuming such crops, because soil and crops are contaminated by toxic chemicals and hazardous materials.
Đáp án: C
Giải thích: câu chia thời hiện tại hoàn thành với chủ ngữ “computers” số nhiều
Dịch: Máy tính, cũng như những tiến bố trong công nghệ thông tin, đã làm cuộc sống chúng ta hiện đại, thoải mái và văn minh.
Đáp án: A
Giải thích: when là từ nối mang nghia khi mà, các từ khác là từ để hỏi
Dịch: Khoảng cách không còn là vấn đề đáng quan tâm khi chúng ta có thế gửi mail trong vài giây, hay gọi những cuộc gọi qua mạng giá rẻ.
