If the pressure of 200 cm cube of a gas is half at constant temperature. what will be the new volume​

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Explanation:

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acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

i'm pretty sure it is letter c.) car