When was the Younger Dryas period?
A. about 1,200 years ago
B. about 120,000 years ago
C. about 120 years ago
D. about 12,000 years ago
Answer: D
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The United States has ____ its goal of contributing .7% of its annual national income to the Millennium Development Goals
a. fallen short of b. Met c. Exceeded d. always met or exceeded e. Changed
What pesticide has been primarily used historically world-wide to control mosquito populations?
A) DDT B) lead C) synthetic estrogens D) mercury E) PCB
This figure shows the Moon at four different positions, representing four different times, as it orbits around Earth. At which position would there be a full Moon as seen from Earth?
A. 1 B. 2 C. 3 D. 4
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