Human activity can affect the river ecosystems because first of all humans take the water and use it for themselves, they also pollute it, disturb the ecosystems and kill fish or oysters etc. in the ecosystems.
Answer:
titanic you teacher will think you are very mature or you gold do something like hobbs and shaw really good or you could watch endgame lol
Explanation:
I believe its two <span>PGAL a0 molecules.</span>
