Which animal by-product is used in cosmetics, waxes, soap, lubricants, and printing ink?
A. fat
B. gelatin
C. blood
D. hair
Answer: A
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The protein content for alfalfa and ____ (legumes) is about 14 to 16 percent.
A. timothy B. clovers C. Kentucky blue grass D. lespedeza
You built a retaining wall 15 feet long and 5 stones high, using stones 15 inches wide, 6 inches high, and 10 inches deep. You first needed a footer 12 inches wide with 4 inches of crushed stone in the bottom. You added 1.5 inches of stone dust, then a row of stone with the top level with the ground.
a. How deep is the footer? b. How many cubic feet of dirt were removed? c. How many cubic feet of crushed stone were used? d. How many cubic feet of stone dust were used? e. How many stones were used in the footer? f. What is the height of the wall in feet? g. How many stones are in the wall above ground?
How is electricity usage measured?
What will be an ideal response?
Each of the following has an effect on the curing of concrete except the _____.