Question 7 of 10 What happens to the density of air as altitude decreases?
A. The density of air changes randomly.
O B. The density of air decreases.
C. The density of air stays the same.
D. The density of air increases.

True or false. in studies examining gender differences and juvenile crime, recent research has shown that the gender gap for drug and violent offenses is getting smaller.

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

Select the statement that is not true about the hubble telescope: a. it orbits above the earth, avoiding the light distortion caused by our atmosphere. b. it is mounted high on a hawaiian mountaintop to provide stable images. c. it has allowed scientists to see the formation of far-away stars and solar systems, leadin some certainty about the history of our own solar system. d. it has documented the destruction of far-away stars and galaxies, leading to some certa the theories of the life cycles of stars.