Unit 9 lesson 7

A material or substance that exists freely on earth and is necessary or useful to humans is called__________

• mineral resource

• Fossil fuel

• natural resource

Natural resources that can not be replenished are called______

• renewable

• non renewable

__________ are natural deposits of solid inorganic material.

• Fossil fuel

• natural resource

• mineral resource

• groundwater

Natural resources that can be used and reused are called _________

• renewable

• nonrenewable

A____________ is natural resource that was formed millions of years ago from the remains of plants and animals.

• fossil fuel

• coal

• nonrenewable resource

a natural resource that starts as rain or melted snow and seeps into the earth

• aquifer

• rock

• fossil fuel

• groundwater

Upper limit of water the ground can hold is called_______

• ground water

• water table

• aquifer

Groundwater held in permeable, porous rock is called_______

• Mineral resources

• water table

• aquifer

Coal is formed from________

• tress and plants

• compaction of marine organisms

Oil and natural gas are formed from_________

• trees and plants

• marine organisms