When fresh plant residues are added to soils, the "priming effect" may result in the decomposition of:

A) lignin and cellulose.
B) proteins and other nitrogen-rich compounds.
C) sugars and starch.
D) waxes and fats.
E) stable humus.


E

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FCA welding guns are available as water-cooled or air-cooled. The ____________________-cooled gun is more efficient at removing waste heat.

Fill in the blank(s) with the appropriate word(s).

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Which compressor type has the motor separated from the compressor?

a. Open drive b. Scroll c. Rotary d. Welded hermetic

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A vital part of the full-body harness is the fixed back _____

a. T-clamp b. A-frame c. K-connector d. D-ring

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This is placed on the floor or framing plan to show where the structure is being cut to allow viewing:

A. detail B. cutting plane C. section D. view E. plan

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