When do comets generally begin to form a tail? A) inside ...

[MGLQZ]

When do comets generally begin to form a tail?
 
  A) inside Mercury's orbit
  B) between Mercury and Earth's orbit
  C) beyond Jupiter's orbit
  D) inside of Jupiter's orbit
  E) They always have a tail (until they run out of material).

Question 2

The most prominent feature of Mars observable from Earth is:
 
  A) its thick atmosphere.
  B) its two prominent moons.
  C) its bright polar caps.
  D) the large volcano Olympus Mons.
  E) the prominent feature, Valles Marineris.

[amanda_14]

Answer to Question 1

D

Answer to Question 2

C

[MGLQZ]

TY

[amanda_14]

You're welcome