White light is made from
a. all the colors of light combined.
b. none of the colors of light.
c. red, yellow, and blue mixing.

Loss of protected health information collected for research should be directly reported to:

What are characteristics of minerals? select 3 choices

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere