How does the presence of reptilian and mammalian nephrons provide evidence for the relatedness of birds and other vertebrates?

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:

the answer for this question would be d. glaciers