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Soil chemistry

earth science Maturity 9-11

Soil is the dirt under our feet.

SoilTexture USDA.png
SoilTexture USDA.png
It is made of tiny rocks. It also has air and water. Small bugs live in the dirt. They help plants grow big and strong. It helps our world stay healthy. Do you like to play in the dirt?

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File:SoilTexture USDA.png
SoilTexture USDA.png
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