x or y because both can cause it
Answer:
true
Explanation:
because thier are two slopes
Answer:
The answer is false, because our solar system exists inside the Milky Way.
Explanation:
a polyphyletic genus of chlorophyte green algae in the family Volvocaceae.
ATP is required for muscle contraction. Four sources of this substance are available to muscle fibers: free ATP, phosphocreatine, glycolysis and cellular respiration. A small amount of free ATP is available in the muscle for immediate use.
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