Convection keeps the earths surface warm
I wanna say it's sand stone but I'm not sure what you are learning about
Answer:
Serotonin is an important chemical and neurotransmitter in the human body. it is believed to help regulate mood and social behavior, appetite and digestion, sleep, and memory
A body of permeable rock which can contain or transmit groundwater.
Widened margins does not occur at the continental margin
