Given this table of plant residue analyses, choose the "highest quality" residue in terms of suitability to support an active community of soil organisms and rapid nutrient cycling
A B C D E
C/N ratio 15 15 15 45 45
Polyphenol content,% 0.5 6.0 6.0 0.5 0.5
Lignin content,% 10 40 10 40 10
A) A B) B C) C D) D E) E
A
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An anti-lock braking system ABS will
a. shorten your stopping distance. b. let you drive faster. c. keep your wheels from locking when you brake hard. d. increase your vehicle's stopping power.
A ____ is a membrane that is placed on the warm side of the walls and ceilings between the drywall and the insulation.
A. ridge B. vapor barrier C. barge rafter D. gypsum board
Explain the importance of the air barrier of a house, how air sealing contributes to air tightness of a house, and the proper role of electric boxes that interact with the air barrier.
What will be an ideal response?
The subsequent problems deal with the circuit below containing complex impedances.
If Z1=10j?, Z2=10?, and Z3=??, what is the argument (phase angle) of the equivalent impedance of the circuit?
A. 45° B. 0° C. ?45° D. ?135° E. 135°