Earth's surface is constantly being changed by heat, water, ice, salt, plants, and animals. This interesting title shows the different ways people try to stop or reduce this change in the land. Examples feature such structures as dikes to hold back water and windbreaks, and adding shrubs, grass, and trees to an area of land to prevent erosion.
This is Book 2 in the Earths Processes Close Up Series. See all Earths Processes Close Up books here.
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