Matter can undergo both chemical and physical changes. What indicates that the change was definitely
chemical?

The temperature changed.

A precipitate formed

The color changed.

A gas formed

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

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.