Question

Which planet has no atmosphere, which prevent erosion?

A. Neptune
B. Mars
C. Mercury
D. Uranus

Answer 1

Mercury doesnt have an atmosphere

Answer 2

The answer is C, Mercury.

Neptune and Uranus have extremely thick atmospheres, and Mars has an atmosphere that is made mostly of carbon dioxide, but Mercury doesn't have atmosphere at all.

Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)