I believe it’s a because something cannot move unless a force is acted upon it
I don’t know “which substance” are you talking about??
You can put the picture there so we can see.
The first one is D, the second one is A and the last is C and D
Increased upwelling in a coastal area results to more aquatic life. Upwelling is the process in which deep, cold water rises towards the surface. It is an oceanographic phenomenon that involves wind driven motion of the dense, cooler and usually nutrient-rich water towards the ocean surface replacing the warmer usually nutrient depleted surface water.
