It's called chemical reaction.
(I'm not real sure)
What supports natural selection is that more organisms are born that survive: so that only the fittest would survive. The natural selection then selects the strongest individuals to surive and procreate.
Answer:
H. Mantle
Explanation:
Convection currents are identified in Earth's mantle. Heated mantle material is shown rising from deep inside the mantle, while cooler mantle material sinks, creating a convection current. It is thought that this type of current is responsible for the movements of the plates of Earth's crust.
Answer:
I believe the answer is A; It contains water that is always in motion.
Explanation:
