A small rock in interplanetary space is called a A) meteor. ...

[nautica902]

A small rock in interplanetary space is called a
 
  A) meteor.
  B) meteoroid.
  C) meteorite.

Question 2

Why do comet's tails always point away from the Sun?
 
  A) because of solar wind
  B) because the inner planets cause the ice and other volatile materials to be pulled towards their orbits
  C) because of the comet's interaction with dark matter
  D) because when they move away from the Sun they begin to lose inertia

[yahahah24021]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: A