Help me answer this question please !!! It’s due tonight

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

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Study this image which statement best describes the rock shown check all that apply