What would be the reduction in pounds of CO2 released into the atmosphere if 100 million people walked 3 miles a day instead of driving their cars? Present your results on daily, weekly, monthly, and yearly basis.
What will be an ideal response?
Assuming a fuel economy of 25 mpg, the reduction in the amount of CO2 by walking 3 miles instead of driving
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According to the domino theory, if Vietnam fell to the communists, the two next countries to fall to communism would be
A) North and South Korea. B) Burma and Thailand. C) Malaysia and Indonesia. D) China and Taiwan. E) Laos and Cambodia.
The scientific method, a framework for answering scientific questions, is essentially
A) a strict procedure for proving the truth of something B) a way to verify facts that are already known C) a convention regarding what it means to "know" something D) a large collection of facts
A satellite imaging system that beams electromagnetic energy at the surface and then records the energy that is reflected is classified as a(n) ________ system
A) global positioning B) photographic C) active D) holographic E) passive
The maximum annual temperature tends to occur:
a. at the time of maximum receipt of solar radiation. b. at the time of maximum sunspot activity. c. a month or so before the receipt of maximum solar radiation. d. a month or so after the receipt of maximum solar radiation.