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:
Plants convert the sun's energy into carbohydrates via photosynthesis.
The answer is C. Producers make food which os then consumed then decomposers eat the remains.
First answer: 4
Second answer: I think 2?
Third answer: 5
Fourth answer: 1
