What u mean by migration?

Migration is the movement of either people or animals from one area to another. Look up in the trees, where you might see a Monarch butterfly make a stop on its migration to Mexico. Migration can be used for the journey from one place to another or for the act of movement.

Explanation:

Hope this helps :)

these include the fossil fuels, oil, natural gas, and coal and nuclear energy. hope this ! ^.^

-ella