Isotopes
The answer has to be 20 characters long so this is irrelevant.
B. Gases because it increase by less
Atom, molecule, cell, tissue, organ, and organ system
Is it multiple choice? I believe it's brain, but I could be wrong.
Answer:
The color of the surfaces because an object with a black surface will absorb and reradiate energy faster and at a higher concentration than the same object with a lighter colored surface.
