s the human population grows, common minerals may become scarce.

Question

Which of the following is one way to address this problem?
A. Build more and larger-sized landfills.
B. Move human communities to uninhabited areas.
C. Use more energy to locate existing minerals.
D. Explore ways of using other, more plentiful minerals.

Answer 1

D. Explore ways of using other, more plentiful minerals.