Which statement is an example of a scientific theory? A. All living organisms are composed of one or more cells, which came from pre-existing cells. B. The Earth is the third planet from the Sun and has one moon, which orbits the Earth. C. The amount that caffeine affects a person's heart rate differs based on the person's age. D. Hummingbirds do not like the color white because they visit other colored flowers more often.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users