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homeostasis is a set of self-regulation we can figure out what this means, One could be that we need homeostasis to maintain a balance, but if we receive any news it may affect homeostasis.
Answer:
A/D
Explanation:
D, Fertilizers put more sulfur in the ground than their should be.
A, fossil fuels, could also be the answer. When we combust fossil fuels we release the sulfur in them into the atmosphere when they should not be in the air.
They evolved over time from older species.<span>
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