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Which of the following methods of extraction is the most damaging to the environment?

surface mining

subsurface mining

placer mining

none of the above

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Which of the following is not true concerning the usage of public land?

Public land is managed by federal and state agencies.

Unprotected lands exist inside federal parks.

Public land can be protected or unprotected.

Wilderness areas and state parks are protected.

Reclamation restores an environment affected by mining to a state where it can sustain its ecosystem.

Which of the following statements about rural communities is true?

Rural communities can support any population size.

More people in the United States live in rural communities than they did in 1900.

Rural communities were built based on the location of available resources.

People in developed countries are moving back to rural communities.

Which of the following statements about pesticides is true?

Pesticides provide plants with essential nutrients.

Pesticides prevent the destruction of crops.

Pesticides are never harmful to plants.

Pesticides are never harmful to animals.

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