Question: 7. How does nitrogen from the air get into the soil? (Make sure to mention at least one living organism that helps in this process)
7. How does nitrogen from the air get into the soil? (Make sure to mention at least one living organism that helps in this process)
8. Research "soil biology." Identify 4 different organisms that are essential to the production of humus and explain what role each organism plays. See if this website helps you find 4 living things that help with this processSoil Biology website(Click on blue link for information)
9. Find out more about "soil erosion." In the lesson, we learned that soil erodes naturally on slopes due to gravity, water, and wind. What other man-made problems can lead to soil erosion? What are some practices that can prevent the loss of topsoil? Use the article in the lesson and the videos to help with this.
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