The leading crop used for ethanol production is:
a. corn c. soybean
b. sorghum d. wheat
A
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The function of hemoglobin is to
A) bind and transport oxygen and carbon dioxide. B) protect the body against pathogens. C) aid in the process of blood clotting. D) carry nutrients from the intestine to the body's cells. E) absorb and neutralize the acids generated by active tissues.
When threading pipe using a manual pipe threader, the thread cutting process is complete when _____ thread(s) extend from the back of the last tooth.
a. one b. two c. three d. four
The most common standard electronic current transmission signals range from ____________________ to ____________________ mA.
Fill in the blank(s) with the appropriate word(s).
The designation for a straight pipe thread used for a dryseal joint in soft or ductile material is:
A. NPSC B. NPSM C. NPAL D. NPSF E. NPSI