They do, but very slowly. Mostly when growing or wind is hitting it.
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!
Answer:
I think its false
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It is a catecholamine. It is also known as adrenaline. It will increase the heart rate and other flight or fight responses.