Which of the following small molecules are converted to form sugar in photosynthesis?
A. oxygen and water
B. carbon dioxide and oxygen
C. water and carbon dioxide
D. hydroxyl ion and hydrogen
Answer: C
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Which of the following statements best describes the concept of structural conformation?
A. changing the conformation to generate a new molecule with different chemical properties B. rearranging the shape of a molecule by rotating around bonds C. changing the structure by adding or subtracting bonds D. arranging the atom into the best conformation for the given structure E. rearranging the shape of a molecule by changing the arrangement of bonds
An accurate forecast:a
always shows skill. b. may or may not show skill. c. never shows skill. d. requires complex computer equipment
In the United States about 2.5% of the land is floodplain and home to about ________ percent of the population.
A. No one in the U.S. lives on floodplains because of flood-zoning legislation. B. 6.5 C. 65 D. 0.065 E. 0.65
Indigenous peoples or other marginalized ethnic groups are sometimes referred to as:
A. First World B. Second World C. Third World D. Fourth World E. Fifth World