Where does the salt in the oceans come from?
A. precipitation
B. melting of ice at the Poles
C. comets
D. runoff from the continents
Answer: D
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Which of the following has the lowest heat capacity?
A. granite B. air C. water D. quartz
If a parcel of air is stationary, the pressure inside it is ____________________ ____________________ the pressure outside it
Fill in the blank(s) with correct word
The primary aim of the Endangered Species Act is to ____.
A. set standards for pollution levels B. require screening of new products for safety and setting standards C. encourage resource conservation D. set aside or protect certain species, resources, and ecosystems E. require evaluation of the environmental impact of an activity proposed by a federal agency
If your state were to hold a ballot initiative to require the labeling of genetically modified foods, how would you vote?
a. In favor. Consumers have the right to know what is in their food, and GM crops threaten organic agriculture. b. Against. The government shouldn’t interfere, and there is little evidence that GM foods harm health. c. I’m not sure. I would need to do a lot more research on the issue. d. I probably wouldn’t vote either way.