~Hi there! Hopefully this helps!~
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In this marine community, the sea otter is a <em><u>Keystone Species.</u></em>
Answer:
common meaning of tree is :
supply of oxygen
I think that it is a fixed cost because a variable cost changes when the amount of supply changes. Since the farmer has to pay the same rent then it is a fixed cost.
Answer: False
Explanation: If you look at Nevada to washington state their climates are totally different.
