1. use these words to complete the sentences. for thousands of years people lived in harmony with …… (1) and it seemed to them that natural riches were unlimited. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect large cities with thousands of smoky industrial enterprises ….(2) all over the world today. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect every year world industry ….. (3) the atmosphere with about 1000 million tons of dust and other harmful substances. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect many cities …) from smog. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect today humanity is facing numerous ……(5) problems. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect sadly, not all human beings realize or admit that we are the ones who cause these problems and we should be the first to stop them and …….(6) our environment. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect because of the industrial revolution the air is polluted with awful …); seas and oceans are ….(8) with oil spills. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect many rare …) of flora and fauna are threatened with extinction. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect we should be proud to live on our wonderful planet and always remember that the ….(10) is our home and it depends on us what it will be like. * suffer appear species environmental pollutes cut earth environment poisoned chemicals protect
2appear
3pollutes
4suffer
5environmental
6protect
7chemicals
8poisoned
9species
10earth