Question

A. Of the rocky planets, which have well-developed atmospheres?

B. Which has only a thin atmosphere?
C. Which has no atmosphere at all
D. Which planets are mostly “made of” atmosphere?

Answer 1

A.Of the terrestrial planets, Venus, Earth, and Mars have significant atmospheres.

B. Mercury is the only planet in our Solar System that has no substantial atmosphere. Technically speaking it does have an extremely thin atmosphere

C. Mercury is the only planet without any kind of atmosphere. It does, however, have an exosphere

D. There are 8 planets and over 160 moons in the solar system. Of these, the planets Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune have significant atmospheres.

hope this helps