Which of the following occurs when a substance changes its state of matter (e. g., from a liquid to a gas or from a solid to a liquid)?
A. Both the amount of heat and the temperature change.
B. Neither the amount of heat nor the temperature changes.
C.
The amount of heat does not change, but the temperature changes,
D.
The amount of heat changes, but the temperature does not change.

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.

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

Select the correct answer from each drop-down menu proteins are