Why do marine scientists examine age structure?
o it provides insight into the future of the species.
it is very difficult to tell the age of sea creatures.
o it is a good sign if most of the population is very old.
o it is important for determining where in a region a species lives.

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