Is the following sentence true or false? The apparent change in the frequency and wavelength of a wave as it moves toward or away from an
observed is know as the Doppler effect.

True or False

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