Which hypothesis was most likely being tested in this investigation?

How can you keep track of variables in a science experiment?

When analyzing tree rings, what do scientists assume a thin ring indicates?

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.