Which best describes a force?
a vector with magnitude and direction
a vector with speed and strength
a vector with direction only
a vector with strength only
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Explanation:

A

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.