d. giving them access to clean water
Answer:
1.Magma comes out of the rift valley.
2.Magma cools to rock and hardens.
3.Rock is pushed away as new rock is formed at MOR.
4.Oceanic crust and continental crust meet at the trench.
5.Oceanic crust bends down under the continental crust.
6.Gravity pulls rock towards mantle.
7.Rock melts to mantle.
During Hadean time, the solar system was forming within a cloud of dust and gas known as the solar nebula, which eventually spawned asteroids, comets, moons and planets. Astrogeophysicists theorize that about 4.52 billion years ago the proto-Earth collided with a Mars-size planetoid named Theia.
I would think its b, like if its a fish or a lion etc, they are going to know where it came from. hope this helps!!
