The Physical World Chapter 2.

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Presentation transcript:

The Physical World Chapter 2

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Example: Sub-Duction Zone

Example: Sea Floor Spreading

What force might have caused this?

What force might have caused this?

What force might have caused this?

What force might have caused this?

What is Wind Erosion? Loess is wind-blown silt, sand, and clay. Can form sand dunes 100’s of feet deep!

What is Water Erosion? Precipitation Mudslides Avalanche

What is Glacial Erosion? Glaciation – changes in a landform made from a slowly moving sheet of ice (glacier) Moraines – rocks left behind after a glacier moves Creates new valleys, hills, or ridges