What is the purpose of this weeks lab?
a. to investigate the human effects on the carbon cycle
b. to investigate the human effects on the atmosphere
c. to investigate the human effects on the nutrient cycles
d. to investigate the human effects on the ozone layer?

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