C because the plates a sliding past each other
Answer:
Dams affect the migration pattern of many different fish, creating a couple of issues.
Pastoral nomads are known to depend on domesticated
livestock, thus being called herders.
They also migrate in an established place to find lands to be used for
pastor, concluding that they move from place to place.
So the answer is number 2, herders, and 3, move from place
to place.
Overpopulation,pollution,burning fossil fuels, deforestation, releasing harmful fumes and gasses in the air.