Earth Resources

1
Earth Resources

• Chapter 25.1
• What are resources?
• WZPP ees

General Sherman Sequoia NP JB Photos
2
Natural resources

• Is resources that the Earth provides
• this includes
• air
• water
• land
• all living things
• nutrients
• rocks
• minerals in soil
• earths crust
  Teton NP backcountry
• 
  
  J B Photos

3
Law of Conservation of Matter

• Matter cannot be changed or destroyed, but can
  change from one form to another
• J B Photos

4

• Natural resources are changed by going through
  different cycles
• like
• carbon
• nitrogen
• water

5
Renewable resources

• Are resources that is possible to use
  indefinitely without running out
• FRESH AIR
• FRESH WATER in lakes, rivers streams
• FERTILE SOIL
• ELEMENTS that cycle through the Earths system
• LIVING THINGS

6
Renewable resources
Helena NF Helena, MT JB Photos
Helicopter Logging Plains, MT JB Photos
Log tug St Joe River, ID JB Photos
7
Renewable resources

• Are an Inexhaustible supply
• Like SOLAR ENERGY
• can we run out?

8
Nonrenewable resources

• Resources that exist in a fixed amount
• examples--
• fossil fuels
• gem stones
• elements like--
• gold, copper, silver, etc

Oil Well Winnett, MT JB Photos
9
Nonrenewable resources

• Are being used at rate faster than they can be
  formed
• Are not distributed evenly on Earth
• This determines the weight power of countries
  around the world
• The United States uses 30 of the Earths mineral
  energy resources, but has only 6 of the
  worlds population
• end notes EES 25.1