Question

4. Fill in the appropriate word from the list. 1. natural…. 2. industrial…. 3. harmful…. 4. oxygen…. 5. rare…. 6. ozone…. 7. ecological…. 8. acid…. 9. air…. 10. dead…. 11. beautiful….. substances, species, riches, security, fish, layer, rain, enterprises, balance, pollution, forests

Answer 1

Ответ:

1 riches , 2 enterprise 3 substances 4 security 5 species 6 layer 7 balance 8 rain 9 pollution 10 fish 11 forests