What happens to the velocity of sound in a gas when the absolute ...

[JGIBBSON]

What happens to the velocity of sound in a gas when the absolute temperature of that gas is doubled?
 
  A) It doubles.
  B) It stays the same.
  C) It increases to 1.41 times its original value.
  D) It quadruples.

Question 2

If we allow for moisture loss due to a moist greenhouse effect, the inner boundary of the Sun's habitable zone would be
 
  A) just inside the orbit of the Earth
  B) roughly halfway between the orbits of Venus and Mercury
  C) roughly halfway between the orbits of the Earth and Venus
  D) just outside the orbit of the planet Mercury

[catron30]

Answer to Question 1

C

Answer to Question 2

A

[JGIBBSON]

Gracias!

[tranoy]

Thanks for the timely response, appreciate it