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!
Explanation:
Evolution involves changing the hereditary characteristics of a population through generations. These traits are the expression of genes that are passed on to offspring during reproduction.
the temperature will start to rise and it is probably becoming sunny
I would say A. Either tall or short
When Mendel crossed purebred short plants with purebred tall plants, all of the offspring were TALL
The pure-bred tall plant dominated the short
A is your answer I believe because they do indeed provide a way to review other scientists work and or experiments