<span>Different pressure levels
Hope this helps and please award brainly :)
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Answer:
water
Explanation:
that's why they got himps on they back
A Respiration by animals CO2 is being added.
B trees burning same
C tree leaves removed
D oil added
Drug "Tolerance" is the status of when the body has become accustomed to a medication and requires more to achieve a same affect. Makes sense wouldn't you say.
