Why can astronauts jump so high, and "hang" so
long, on the moon?

gravity is stronger on the earth, and gravity is what brings you back down

so, if there's less gravity, then there's more air time

- both b and d.

-since b and d are the closest coastlines then that makes it the most affected.

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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.