What takes charge of the body's involuntary functions outside conscious awareness

How do you date a sample of rock that you suspect as being one of the earliest on earth

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above