Weathering and Erosion

Match it! Select the correct answer from the pull down...Good luck!

Peanuts and soybeans(legumes) enrich the soil because they contain ________ -fixing bacteria in their roots.

Material moved by erosion is called

The extreme loss of topsoil due to drought in the 1930's is called

______ is fine, wind-deposited sediment.

_________ is the most important cause of chemical weathering.

To put nutrients back into the soil, farmers alternate between 2 crops. This is called

Karst topography is associated with the presence of ______

Mass movement is erosion caused by