Trợ lý học tập AI - Câu trả lời này chỉ mang tính tham khảo
Here are the answers to the given questions:
1. We should reduce our carbon footprint to protect the environment.
Answer: C. reduce
2. You should turn off devices that you are not using to save electricity.
Answer: A. save
3. "Carbon footprint" is the amount of carbon dioxide that we release into the environment.
Answer: D. release
4. People shouldn't throw away single-use products but recycle them.
Answer: B. recycle
5. They can build campfires on the beach near the hotel.
Answer: C. build
6. The people in my village often cut down trees to build houses.
Answer: A. cut
7. You shouldn't dump the rubbish into the river to reduce water pollution
Answer: B. water
8. Forests help release oxygen and absorb carbon dioxide
Answer: A. carbon dioxide
9. We can take part in activities like picking up and planting trees to protect nature and the environment.
Answer: A. up
10. A number of cleaning products contain harmful chemicals
Answer: C. harmful
11. The gases from the exhausts of cars have also increased air pollution in most cities.
Answer: D. air
12. The death rate would decrease if hygienic conditions were improved.
Answer: A. decrease
13. When radiation goes into the land, air or water, it is called radioactive pollution.
Answer: A. pollution
14. Too much use of electric lights in cities may cause light pollution.
Answer: C. cause
15. Water pollution is the contamination of lakes, rivers, oceans, or groundwater, usually by human activities
Answer: D. Water
16. Land pollution happens when human activities damage the Earth's surface.
Answer: C. damages
17. The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs may cause visual pollution.
Answer: A. visual
18. People don't care much about the environment, so they keep making it worse.
Answer: B. making
19. Land pollution is responsible for damage done to the natural habitat of animals.
Answer: D. of
20. Americans throw away twenty-eight and a half million tons of plastic in landfills every year.
Answer: D. away
21. Scientists have come up with new ways of saving energy.
Answer: A. with
22. Thousands of people were exposed to radiation when the nuclear plant exploded.
Answer: A. to
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