Question

I need help FAST!!!!

Answer 1

1.) A lake can form when a river is blocked by mud and lava from a volcano.

2.) Algae can overgrow a lake when the lake contains too many nutrients.

3.) Nearly one third of the U.S. is covered by the Mississippi River watershed.

I hope this helped!! Have an amazing day :)

Answer 2

Mud slide bacteria i don't understand the third one