Why do animals make the great migration each year ?

! it’s do by 3: 30 !

Some animals travel relatively short distances to find food or more favorable living or breeding conditions.Most animals that migrate do so to find food or more livable conditions. Some animals migrate to breed. The Atlantic Salmon begins its life in a river and migrates downstream to the ocean.

got to this website to help you: https://nhpbs.org/natureworks/nwep4c.htm

hope this helps :)

no the answer is c only objects touching the earth's surface can be acted upon by an outside force