Complete the definitions
----- Nội dung dịch tự động từ ảnh -----
Complete the definitions.
1 Conservation is the protection of natural things, e.g..
.... and
2 Acid rain is rain that contains dangerous chemicals. It is caused by
3 The ozone layer is a layer of gases that stop dangerous radiation from the sun from
reaching......
4 Global warming is an increase in world temperature caused by an increase in
5 CFC (chlorofluorocarbon) is a chemical which
Complete the definitions.
1 Conservation is the protection of natural things, e.g..
.... and
2 Acid rain is rain that contains dangerous chemicals. It is caused by
3 The ozone layer is a layer of gases that stop dangerous radiation from the sun from
reaching......
4 Global warming is an increase in world temperature caused by an increase in
5 CFC (chlorofluorocarbon) is a chemical which