After drying to eliminate the water in plant litter, which two elements account for about 80% of the dry weight?

A) N and C B) Ca and C C) C and H D) N and S E) C and O


E

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? Identify and state the historical significance of the Lend-Lease Law.

What will be an ideal response?

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____ materials, like reservoir systems, readily attract and retain moisture.

A. Hydraulic B. Hygroscopic C. Hydrostatic D. Hygronomic

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A lamp that produces light as a result of an electric arc is using ____.

A. high-intensity discharge lighting B. resistive lighting C. incandescent lighting D. fluorescent lighting

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________________________ are valves that are used on the compressor and in some cases in the liquid line.

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

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