Brittany wants to use a model to study soil erosion on hills. she is told that farmers can prevent soil erosion by plowing so that their furrows run along hills instead of up or down hills. she fills a pan with dirt, packs the dirt firmly, then shapes it into parallel furrows. what should brittany do with her pan of dirt next in order to study soil erosion? a. shake the pan rapidly back and forth b. prop up one end of it to make a slope and carefully pour water over it c. fill the pan with water, then tilt it until all the water runs out d. set it outside and check on it every day

D. set it outside and check on it every day

Explanation:

In order for Brittany to be able to study the soil erosion by using a simplified method of what the farmers do on the slopes to minimize it, she will need to take the pan, leave it outside, and check on it every day. By having the required shape, the soil will give somewhat an example of the soil on the slopes that has been plowed so that the furrows run along the hills. Since the hills do not move or tilt, the pan with the soil should be stable, static. Being put outside, it will be exposed to the natural conditions that cause the erosion, such as the water and wind. Brittany will need to check upon the soil every day and make detailed notes and measurements to see what the erosive effects are on it.

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