The Physical Geography of Earth

1
The Physical Geography of Earth

• Chapter 2 Section 4

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4 Parts of Earths Physical Geography

1. Atmosphere
2. Lithosphere
3. Hydrosphere
4. Biosphere

3
AtmosphereThe blanket of gases and air
surrounding the earth.

• Problem in the Atmosphere
• Air pollution from cars and factories causes acid
  rain. It kills fish and plants and eats away
  surfaces of roads and buildings.
• Pollution is tearing down the ozone layer. It is
  the layer of air that protects the Earth from sun
  rays.

4
Lithosphere The earths hard outer shell known
as land.

• Problems in the Lithosphere
• Land may erode or wear away because of erosion
  and cutting down plants and trees.

5
HydrosphereAll the water on Earth. It includes
oceans, lakes, rivers, glaciers, and
precipitation.
6
BiosphereAll living things on the Earth and
their environments.

• Ecosystems make up the Biosphere. They are
  places where plants and animals depend on each
  other.