Answer:
B Presence of an atmosphere and a rock surface composition
Fingernails are made of protein and keratin. Gypsum is softer than a fingernail.
The answer is most likely C. When a sedimentary rock is deposited on top of an eroded non-sedimentary rock.
Answer: earth because the moon doesn’t have gravity and the sun would burn you and who knows about pluto
Hey I can help! I'm taking the course right now. What is the question?