Question

It refers to the amount of salt in
the water. The salt amount in
estuaries are lower than that of the
sea and ocean due to the
a continuous flow of freshwater and
saltwater. Some organisms, like
the fishes prefer to breed in places
with a low amount of salt.

Answer 1

Explanation:

As the tide rises, water from the ocean begins to surge into the mouth of a river, bringing with it higher levels of salt