Which of the following nutrient elements is usually present in the soil solution as a simple cation?
A) B
B) Cl
C) Mo
D) Zn
E) all of the above
D
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Most gas furnaces that have been installed from the past 10 years to current installations use an electronic control board, usually called a(n) ____________________ module, which supervises the operation of the entire gas furnace.
Fill in the blank(s) with the appropriate word(s).
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On the surface of a tuber are several buds called:
a. Ears c. Nodes b. Eyes d. Bulbs
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Solve the following equation for the unknown variable: 
.
Fill in the blank(s) with the appropriate word(s).
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The comparison method of pricing requires more time than unit pricing to develop a final price for a project
Indicate whether the statement is true or false
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