B. Protistans, a group thought to have given rise to other eukaryotic cells
<span>rift valley is formed on a divergent plate boundary, a crustal extension, a spreading apart of the surface, which is subsequently further deepened by the forces of erosion.
hope this helps please award brainly :)
</span>
Answer:
yah, what's is the effect of atmosphere of a planet with the escape velocity of that planet, and is the black hole like a portal, or?!
potential energy
you have potential energy when you're stopped. you have kinetic energy when you're moving. so as you're going down a hill, kinetic energy is increasing and potential energy is decreasing.