A scientist studying the river and all the fish inside it is studying what?

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

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.

Explain the process that creates the heat of the sun?