How Did the Martian Soil Become So Heavily Oxidized, Giving

Q38: Mars has _ but it is hidden.

Q39: Why is Venus's atmosphere hotter than Mercury

Q40: Almost all geological features on Venus have

Q41: How did Mars get its two moons?<br>A)

Q42: Excess atmospheric _ indicates that Venus once

Q44: Match the planetary characteristic to the planet.

Q45: Which is a unique characteristic of Venus

Q46: Venus has an atmosphere that rotates within

Q47: Signs of cratering dominate the surface of

Q48: What is Olympus Mons and where is