Question

2 Look, think and complete the text with your own ideas using these words and word combinations: useful, colourful, fresh air, clean, oxygen, to give, to cut down, should shouldn't, protect, to help, to plant, to lose homes, bush, bushy, etc.
Plants are good and useful for our lit They make our world colourful. Trees a oxygen boxes for us. They clean the air a give us fresh air to breathe. We should pla a lot of trees.

Humans can change the Planet Earth in both positive and negative ways. First,people can cut down millions of trees
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Answer 1

1) because every time more and more forests themselves are cut treesdowndtreestreestreesdowndtreestreesand we must protect our nature 2) I pollute the atmosphere due to factories and animals die due to pollution