3. Please complete these sentences with the appropriate words: Environmental conservation is a(n) _________

3. Please complete these sentences with the appropriate words: Environmental conservation is a(n) _________. a) effortless b) significant c) enjoyable Factories release a large amount of ________ into the air and water. a) lakes b) waste c) pollution Water is a crucial ________ for cultivating vegetables. a) thing b) source c) hazard Many rivers and lakes are _________. a) contaminated b) full c) utilized Numerous scientists work on _________ issues. a) solving b) understanding c) safeguarding People should _________ aluminum cans and newspapers. a) dispose of b) recycle c) preserve Ecology is a discipline that investigates _________. a) the environment b) the interaction between humans c) the relationship between.