A.) Guanine = 45
B.) Adenine = (100 - 90 )/ 2 = 10/2 = 5
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Answer:
Salinity in an estuary varies according to one's location in the estuary, the daily tides, and the volume of fresh water flowing into the estuary. In estuaries, salinity levels are generally highest near the mouth of a river where the ocean water enters, and lowest upstream where freshwater flows in.
Explanation:
The answer is ' B "
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Radiation is responsible for the greatest loss of energy.
