Answer:
D. introduce new predators to an environment
A, it is the current era, and D, it was also known as the age of mammals.
When the civil war ended, It did not bring stronger states rights
Explanation:
Mass movement also known as mass wasting, bulk movements of soil and rock debris down slopes in response to the pull of gravity, or the rapid or gradual sinking of the Earth's ground surface in a predominantly vertical direction.
Answer:
the top and bottom halves of earth
