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Yong would have to know physical science because your messaging the human body which is physically speaking is touch.
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Scientist study moving forces, biology, chemistry, and any other natural or unnatural study.
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If the Earth weren't tilted on its axis, there would be no seasons. And humanity would suffer. When a Mars-size object collided with Earth 4.5 billion years ago, it knocked off a chunk that would become the moon. It also tilted Earth sideways a bit, so that our planet now orbits the sun on a slant.
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