Which vein and artery shows a role reversal in color compared to normal coloring? (the reversal shows the artery is blue and vein is red)

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )