Earth’s layers from inside to outside are:

Mining facilities generate large volumes of waste.

Under what conditions would strip mining be the most appropriate type of mining?

Describe the difference between the leading and lagging strands during DNA replication. Why is one synthesized continuously while the other is synthesized in fragments?

Legislation helps to protect forests.

Mining is permissible in wilderness areas.

National Park Service sites:

What is a health effect of ground-level ozone?

Acid rain, increasing concentrations of greenhouse gases in the atmosphere, and smog are just a few of the environmental issues associated with using this nonmetal and nonmineral geologic resource.

This industry is responsible for an estimated 20 percent of Earth’s industrial water pollution. Over 8,000 different chemicals, many poisonous are used in in the manufacturing processes of this industry.