Why do heated molecules rise? a Because they are less dense than the molecules around them b Because they are denser than the molecules around them c Because they are moving slower than the other molecules d All of the above

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.