What is the age maximum of an index fossil?

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

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