1. Compare the two DNA sequences and polypeptide chains they produce. What type of

mutation has occurred to the bottom sequence?

A. Substitution

B. Insertion

C. Deletion

D. No mutation

The answer is C deletion

Explanation:

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:

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean