Which soil particle contributes most to plant nutrition?

a. sand c. clay
b. silt d. silica


C

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Estimates are made to determine the probable costs of a proposed construction project and to _____.

a. schedule equipment maintenance b. determine a budget for the owner c. predict the accuracy of a target deadline d. finalize system requirements

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Use the accompanying figure to compute angle C to the nearest hundredth of a degree. Angle A is 23o and angle B is 18o.

A. 21.98o B. 22.67o C. 23.77o D. 24.91o

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Fertilizers applied in the spring should not contain _____ because it causes soft berries and a lack of flavor

A) potash B) nitrogen C) potassium D) none of the above

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After the engine is started, which gauge's needle should jump, flutter, and then register "charge" or "1" for a normal reading?

A. coolant and engine oil temperature gauges B. ammeter and voltmeter C. air pressure and air pressure governor cutoff gauges D. cooling and charging circuit gauges

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