Because most roots need gaseous oxygen as well as liquid water, the best soil for agricultural plants is
A. loam, which is a mixture of all size soil particles, and therefore is able to hold water but drain well.
B. silt, because it is intermediate between sand and clay in size.
C. clay, since it holds onto water better than silt or sand.
D. sand, since it has the greatest pore spaces.
E. All sizes of soil particles (sand, silt, clay) are equal in soil properties.
Answer: A
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