How many people can the earth support indefinitely?
A. No one knows.
B. 5 billion
C. 10 billion
D. 15 billion
E. 20 billion
Answer: A
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When Europeans arrived in Australia, what livelihood was most important to the Aborigines?
A) pastoral nomadism B) plantation agriculture C) hunting and gathering D) fishing E) swidden
Which of the following is most true regarding the Big Bang Theory?
A. It resulted from the ignition of an enormous concentration of hydrogen gas. B. The theory has been disproved in recent years. C. The universe began expanding from a single point about 14 billion years ago. D. The theory applies only to the Milky Way Galaxy. E. All of the matter in the universe was created in an instant.
The Convention on Biological Diversity has goals that ________
A) include a set of international laws B) spell out future management plans for all biomes C) include using biodiversity in a sustainable manner D) are designed to reduce biodiversity E) ensure the distribution of biodiversity's benefits to wealthy countries who can pay for them
What concerns do some consumer groups have about genetically modified fish?
a. They want more studies on the health effects that genetically modified fish may have on people who eat it. b. They want to prevent genetically modified fish from breeding with wild fish. c. They want food from genetically modified fish to be clearly labeled as genetically modified. d. all of the above