The answer is:
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crown .
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It was mostly prevented by planting trees.
Answer:
Position the person on his or her back.
If there are no injuries and the person is breathing, raise the person's legs above heart level — about 12 inches (30 centimeters) — if possible. Loosen belts, collars or other constrictive clothing. To reduce the chance offainting again, don't get the person up too quickly.