They are all freshwater. So the closest would be c. an estuary since it has a free connection with the sea since the sea is not freshwater.
So C.
hope this helps!
<span>D.Oxygen will diffuse from an area of higher concentration (outside the cell) to an area of lower concentration (inside the cell). This is because cells respire constantly, as this process uses up oxygen cells will contain less oxygen than its surroundings. Oxygen moves by the process of diffusion, in diffusion a molecule will always move from a higher concentration to a lower concentration.</span>
B1 (Thiamine), because chronic alcoholics often have poor nutrition, and Thiamine deficiency in the brain can lead to "Wernicke Encephalopathy."
Answer:
you could have a long lasting scar on you
