The nervous system, i could be wrong.
Albedo is the "whiteness" of a surface. It is a reflection coefficient, and has a value of less than one. The albedo of a surface is the ratio of radiation reflected from the surface to the incident radiation. Hope this helps. Have a nice day. Feel free to ask more questions.
Active transport uses energy passive transport does not..... active transport moves from lower to higher concentration and vice versa in passive transport.... both use carrier proteins....
The answer is the letter C
