Why is it necessary to convert carbohydrates into sugars? A. So they can be absorbed by the body
B. Because sugars taste better than carbohydrates
C. Because the body cannot get sugars from other sources
D. Because chemical energy is only found in sugars

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils

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Which source would provide the most bias-free information about smoking and increased health risks? a) a website created by heart disease patients b) a research study conducted by the mayo clinic eliminate c) a public service message sponsored by tobacco companies d) an online question forum conducted by attorneys for cardiac specialists