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Which of the following questions can be answered scientifically? 1) Should we just let the river flow where it wants? 2) What can be done to stop erosion? 3) Is erosion control worth the financial costs? 4) Can planting cover crops reduce erosion?

User Ecm
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1 Answer

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The best selection is 2 as you can add a vivid description for a successful project.

I hoped I helped

~JB
User Siburb
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