ES Test 10

A deposit that contains a valuable mineral that has been concentrated by mechanical action

• placer deposit

• ore

• lode

• fossil fuel

The process by which nuclei of small atoms combine to form new, more massive nuclei

• nuclear fusion

• nuclear fission

• lode

• gemstone

The energy received by earth from the sun

• solar energy

• fossil fuel

• hydroelectric energy

• coal

The energy produced by heat within the earth

• geothermal energy

• natural gas

• coal

• Hardin

A mineral or rock that can be used as jewelry when it is cut and polished

• gemstone

• lode

• placer deposit

• ore

Plant material, manure, or any other organic matter that is used as an energy source

• biomass

• nuclear fusion

• nuclear fission

• geothermal energy

A natural resource that can be replaced at the same rate at which the resource is consumed

• renewable resource

• nonrenewable resource

• placer deposit

• commons

A natural material whose concentration of economically valuable minerals is high enough for it to be mined profitably

• ore

• placer deposit

• lode

• gemstone

Electrical energy produced by the flow of water

• hydroelectric energy

• biomass

• coal

• natural gas

A nonrenewable energy resource from the remains of organisms that lived long ago

• fossil fuel

• biodiversity

• evolution

• End-Permian