In terms of density, the oceanic crust is denser than continental crust, which also means it is heavier.Density is important in the formation of layers on Earth. Because continental crust is less dense, it floats higher than oceanic crust. If the two will have different densities, then continents will be submerged in the ocean.
Answer:
B) carries blood to recta afferent
I believe the answer is environmental pollution
