Question

Comlete the sentences.
1) problems/ of/ One/ is/ pollution/ air
2) ozone/ protects/ the sun's/ The/ world/ the/ layer/ from/ rays
3) how/ are/ many/ we/ There/ save/ ways/ the Earth/ can
4) rain/ is/ containing/ Acid/ a/ rain/ acid​

Answer 1

Ответ:

1) One problem is air pollution.

2) The ozone layer protects the world from the sun's rays.

3) There are many ways we can save the Earth.

4) Acid rain is rain containing acid.