Which type of soil is best able to retain calcium and potassium, preventing them from being leached away by runoff?

A. humus
B. clay
C. sand
D. All soils are equal in preventing leaching of minerals.
E. None of these soils would prevent leaching of minerals.


Answer: B

Biology & Microbiology

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Which of the following reactions is performed by yeast in wine-making?

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