<span>Good Morning!
The atmospheric layer closest to us is the troposphere.
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b. Original horizontality
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Subsistence farming, form of farming in which nearly all of the crops or livestock raised are used to maintain the farmer and the farmer's family, leaving little, if any, surplus for sale or trade. Preindustrial agricultural peoples throughout the world have traditionally practiced subsistence farming<span>.</span>
Answer:
I think it will mean that the words of the question represent the key-words of your thesis. So you mustn't change the words of the question while writing your thesis
A. Priests because when the spanish settlers came to conquest america, they always brought many priests with them; the priests were catholics, and they forced the native americans to become a catholic if the natives say no they were killed. So priests were fundamental in the conquest of america