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Elena-2011 [213]
3 years ago
10

Which of the following helped spread the plague?

Geography
1 answer:
Morgarella [4.7K]3 years ago
3 0
The plague was spread because of the poor hygeine back in that time 
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<u>Answer:</u>

  • The Earth is a "closed system" which means that the amount of rocks,  carbon, metals, nitrogen, water and oxygen on earth remains constant.
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<u>Explanation</u>:

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The fact that the moon also moves, that is, rotates around the earth, and that it takes about a month for a full rotation around the earth, is why we will see the moon in a different position in the sky at the same time next night.

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