This is my last exam and the window is closing at 1 , please help.

Why do carbohydrate molecules function so well as fuel for the body?

Are the earth's ocean floor and continents the same age geologically? why or why not?

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above