Chemistry

2. effect an increase of gases in the atmosphere leading to global warming, hiệu ứng nhà kính.
5. a household chemical product used to disinfect, thuốc tẩy.
7. plants water through their roots and sunlight through their leaves, thẩm thấu.
9. a chemical found in diamonds and coal, áp lực tạo kim cương đồ đó.
10. another word for poisonous, tích cực hay tích __.
12. a natural or chemical material used by farmers to help grow crops, phân bón.
13. the opposite of synthetic, hữu cơ.
14. the different types of synthetic material which can be molded and shaped to make many products, nhựa.
15. the gas we breathe out.
16. chemicals used to kill unwanted insects, thuốc trừ sâu.
17. the release of a gas, khí thải.

1. a material with particular physical characteristics, chất.
3. a nuclear accident may cause radioactive _____ of the surrounding area, sự ô nhiễm.
4. the industry which produces medicines, ngành dược phẩm.
6. the chemicals derived from petrol or natural gas, sản phẩm hoá dầu.
8. the chemicals added to food, phụ gia thực phẩm.
11. mixing chemicals may cause a _____.