30.2 Flashcards
1
Q
mercury
A
smallest and closest to the sun
2
Q
venus
A
second planet from the sun has a dense atmosphere
of mostly carbon dioxide and very high surface
temperatures
3
Q
earth
A
third planet from the sun the only planet in the solar system knows to have life and where water exists as a
solid a liquid or gas
4
Q
mars
A
fourth planet from the sun called the red planets because high concentration of iron oxide