What kind of electrical charge is found on the oxygen atom of a polar water molecule?

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

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?