If Prairie grasses were removed from an area, what effect will this have on the soil in the area?
Answer Choices
A. An increase in soil erosion.
B. An increase in soil moisture.
C. An increase in pore space in the soil.
D. An increase in the biodiversity of the soil.

Answer
9 stainless steel bowls

Solution
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What we know: 
Malcolm bought 7 plastic bowls and spent a total of 136.50 dollars on prizes
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We would subtract: 
136.50 - 42 = 94.5 
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After determining the price of the stainless steel bowls, we would then divide: 

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