Answer:
I do believe your answer is D: Most of Earth's mantle is always moving.
Hopefully this helped! :D
Explanation: john has only read two books, a scientific journal his mother acquired while working in the hatchery, and The Complete Works of Shakespeare. The name of the second book was The Chemical and Bacteriological Conditioning of the Embryo.
Answer:
what did you read? I can maybe help you once I read it