Answer:
Time, slope and type of rock.
Explanation:
Over time soil begins to erode to to many factor, such as wind and water. The slope of the ground effect the soil and make it loose, thus why we have landslides. As you may know there are different types of rock and many different layers of rock in the ground due to fossilization and the process of sediment. This can affect the soil as well making it less fertile or loose/hard. This can make it harder to grow agriculture into the land.
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