Insects have two major body segments—the cephalothorax and the abdomen.

true
false

Regarding most of the narrator’s story, which word best describes the tone?

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air