Fill in the blank with the correct form of the given word.

The river is seriously

by the factory’s waste. (contaminate)

 

Choose the best answer.

Water pollution has _______ many diseases for plants, animals and especially people.

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Water pollution can put negative _________ on our health.

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A: How can light pollution________ animals?

B: It can make animals change their behavior patterns.

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Any factories breaking the rules will be _______ heavily.

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In the environment class, we ______ up with some good ideas to save water.

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According to scientists, exhaust fumes are _________ our hometown.

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Fish and many other animals are killed by ________ in their habitat.