An estuary is where salt water and fresh water meet. Estuaries are usually found at the edge of the coast, where the ocean water, or salty water, meets river, lake, any fresh water source, water.
A tributary is something completely different. It is a, usually smaller than the main river or lake, river/stream stemming off a bigger river or lake, or flowing into that river or lake.
Answer:
100
Explanation:
i think .I am not sure.but ik
The correct answer is rain forests increase greenhouse gases. I know for sure it's not the first or third answer. Rain forests are the habitats for many animal and plants but I'm pretty sure its over 50% not 30%.