What percentage of energy worldwide used by humans comes from biomass crops?
a. 5 percent c. 25 percent
b. 15 percent d. 35 percent
B
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What are the characteristics of turtles, tortoises, and terrapins?
What will be an ideal response?
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Convert the information given in the accompanying table from U.S. Customary units to SI units. Refer to conversion tables on the inside and back covers of this book. Show all steps of your solutions.
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The scale of the drawings is contained in the _____
a. approval block b. legend c. revision block d. title block
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_____ provide an even surface for vehicles to pass over railway tracks.
A. Median barriers B. Crossing surfaces C. Intelligent transportation systems D. Gravel shoulders
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