One way in which the factory pollutes the river

River water is used in factories to power machinery and to cool it down. The river is being refilled with contaminated water that contains harmful chemicals. Water used for cooling is warmer than the river itself, and this is also a form of pollution.

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smoke

Explanation:

The smoke can be polluted and fish in the rivers can die

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<3 sun

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."