What does the following energy diagram represent?
A. Exothermic reaction
B. Activation energy
C. Endothermic reaction
D. Specific heat capacity

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

What are transitions between a liquid and gas called? identify which way they are transitioning

I’m an electrically neutral atomic any element, there are equal numbers of