Which statement correctly compares the thermosphere and the mesosphere? * 10 points
a. The mesosphere contains gases that absorb heat and is less dense than the thermosphere.
b. The thermosphere contains gases that absorb heat and is less dense than the mesosphere.
c. The mesosphere contains gases that are stable and is less dense than the thermosphere
d. The thermosphere contains gases that do not absorb heat and that is why it is so cold like the mesosphere.