How is matter conserved in the carbon cycle? a) carbon absorbs energy and later releases the same amount of energy. b) carbon changes from one form to another, but the total amount of carbon remains the same. c) people manage carbon resources, such as factory emissions, so they do not run out of carbon. d) some forms of carbon, such as carbon dioxide stored in carbonate rocks, may remain in the same location for years.

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