Destrucitve and Constructive Forces
Christopher
Destructive Forces
Destructive forces break down the earth.
Wheathering
Weathering is a destructive force. Weathering is any type of wheather that causes a landform to change the way it looks. Other ways wheathering is caused is by water getting into rocks and freezing then the ice expands and breaks the rock. Another is by tree roots break through rocks.
Erosion
However erosion is another kind of destructive force. Erosion is water that washes over rocks and landforms abd changes the way they look. Erosion also happens when trees are cut down this makes erosion easier and when people build roads or buildings.
Deposition
Deposition is where a bunch rivers and streams cometogether and depart the minerals and soil they have picked up along thier paths.The barrier islands of Georgia were created by deposition.
Tsunami
The 2004 Tsumani os Southeast Asia was caused by a earthquake in the Indian Ocean. To keep rivers from flooding people have built dams among thier banks. They are an embanketment build along the river's edge. People that live near oceans can protect themselves from surges by leavees and dikes. These are all flood barriers.
Earthquake
A earthquake is a destructive force because is breaks the ground and causes faults.
Volcano
It shoots out lava and it would cause fires.
Constructive force
A constructive force builds up the earth.
Hurricane
Hurricane Katrina was one of the biggest disasters that hit the United States' Gulf Coast in 2005.
Decomposers
Decomposers break down unnessecery organisams.
Organic wheathering
Organic wheathering is when plant roots break up rocks with growing roots or plant acid.