C. Sedimentary Layers, sedimentary rocks are created as a result of high pressure :)
I hope this helped!
Velocity is how fast the river is moving, the Volume is how much is in the river!
I would say the answer would be D.
Because: If a river is dammed then there is little to no flow going downstream. This will effect the life downstream and also change its conditions.
I Hope This Helped!
Organisms compete for the resources they need to survive- air, water, food, and space. In areas where these are sufficient, organisms live in comfortable co-existence, and in areas where resources are abundant, the ecosystem boasts high species richness (diversity).
