Which statement is true about the temperature and density of air? A. The less air there is, the higher the temperature and density.
B. Lower temperature air is less dense.
C. Lower temperature air is more dense.
D. The temperature and density of air are not related.

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?