Use the verbs in brackets in the correct tense for.1.if population (to disturb) the balance in nature all living things(not to live) in harmony. 2.if the air and the water a polluted.meny species of plants and animals(to disappear) 3.we (to put)up a tent when we(to go)to the camp.4.when we(to go)camping we never(to make) campfires.5. if we (not to pay) attention to pollution, our, earth (to not be safe)to live in.