D because it reflects all other colors
A. Duplication is one of the different types of chromosomal mutations.
<span>-The nervous system processes information from receptors that detect changes in the environment.
-The nervous system coordinates the systems of the body.
-The nervous system sends out appropriate responses to react to changes in the environment.
-The nervous system maintains homeostasis.</span>
C) Lactic acid and energy
This is the reason we feel a burning sensation during strenuous exercise.
Most scientific questions are based off of theory.