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

Many people don’t know about the of soil pollution. (dangerous)

Choose the best answer.

Water pollution can put negative _________ on our health.

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Ships spill oil in oceans and rivers. This leads ________ the death of many aquatic animals and plants.

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To protect the environment, we should use more _______ sources of energy as wind and solar power.

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

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Households pollute water sources by _______ waste into ponds, lakes, and rivers.

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The soil becomes ________ because of the use of so many pesticides and fertilizers.  

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Factories need to stop dumping industrial ______ into the lakes and rivers immediately.