A kid dose because it means the boy
Answer:
Heat rising and falling inside the mantle creates convection currents generated by radioactive decay in the core.
Answer:
A.
Explanation:
The Gaia hypothesis is a hypothesis named after the ancient Greek goddess. This hypothesis was proposed by James Lovelock and Dr. Lynn Marguiles. According to this hypothesis, the Earth is considered alive.
It is a set of hypotheses that likens the Earth to a superorganism with interraled, mutually adjusting the systems.
Therefore, option A is correct.
Answer:
I think major droughts and human activity have really sped up desertification in Africa.
