Which best explains how the human body energy from food?
a. by removing dangerous wastes.
b. by breaking chemical bonds.
c. by exhaling carbon dioxide.
d. by inhaling oxygen into the lungs.

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.