The U.N. Millennium Ecosystem Assessment reports that human activities have overused ____ percent of the earth's natural services, and mostly since 1950.
A. 5
B. 10
C. 30
D. 60
E. 95
Answer: D
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A person born in Nigeria is expected to live a certain number of years based on current mortality levels in that country. This is referred to as:
A) life expectancy at birth B) crude birth rate C) mortality rate D) fertility rate E) none of the answer choices are correct.
A tsunami watch means that tsunami is imminent and citizens should watch for its arrival
Indicate whether the statement is true or false
Which is more dense, seawater or freshwater?
What will be an ideal response?
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.