Io's pizza pie colors come from eruptions of ________ and its ...

[CQXA]

Io's pizza pie colors come from eruptions of ________ and its compounds.
 
  Fill in the blank(s) with correct word

Question 2

If the density of the universe is greater than the critical density, this means that:
 
  A) the universe is expanding at a rate equal to the escape speed of the universe.
  B) the universe is expanding at a rate less than the escape speed of the universe.
  C) the universe is expanding at a rate greater than the escape speed of the universe.
  D) the universe is expanding at a rate equal to the speed of light.
  E) the universe is expanding at a rate greater than the speed of light.

[irishcancer18]

Answer to Question 1

sulfur

Answer to Question 2

B

[CQXA]

Thanks for the timely response, appreciate it

[Hdosisshsbshs]

Wow, this really help