Answer:
Explanation:
The two lower, larger chambers of the heart are called _ventricles._
It would be D. Water molecules are split apart and the byproduct of that would be the O2. As energy enters the chloroplasts, the energy excited the H2O molecules and causes them to split
Answer:
C.facilitated diffusion
Explanation:
Because it have some chemicals did you breathe from the person who using cigarettes.