m55.    What are the environmental impacts of using up our mineral resources?

The greatest danger is the damage that their extraction and processing do to the environment. Twenty-seven billion metric tons of non-fuel minerals and overburden are taken from the earth's crust each year. Non-fuel mining produces at least six times more solid waste than all municipal garbage.

e01.    What is biodiversity?

e09.    What is succession?

e10.    Why do organisms become extinct?

e14.    What are the basic components of life?

e20.    What are environmental hazards and risks?

e23.    How is soil important to plants?

g06.    What are some of our energy resources?

g08.    What are the spheres that make up the earth?

g09.    What is the interior of the earth like?

g16.    What is matter?

g27.    How fast are supplies of mineral being used up?

g21.    Can we mine the oceans?