Answer:
A
Explanation:
Enzyme activity is highest at 6.6. This means that 6.6 is the optimal pH for this enzyme. If the pH is too low or high the enzyme will denature and the enzyme activity will lower.
When the moon is full, it is on the opposite side of the Earth from the sun.
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93970, R60.0, I10, I50.9
Answer: Oceans