Hypothesis: If I put a chocolate bar on the table near a sunny window, it will melt faster. If your independent variable is the placement of the chocolate bar and the dependent variable is the speed at which it melts, what are some controlled variables that one must have during each trial?

Which best describes the scientific process

As soon as possible this assignment is due in 5 minutes atoms in a molecule are bonded together by sharing, gaining, or a. photons b. protons c. neutrons d. energy f. electrons

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.