How will seasonal changes affect the concentration of CO2 in the atmosphere?
A) There will be less CO2 in the atmosphere in winter than in summer
B) The levels of CO2 are constant no matter the season
C) There will be more CO2 in the atmosphere in winter than in summer
Answer: C
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The GDP includes all of the following in its measures of economic growth except ________
A) human well-being B) medical costs C) the costs of replacing outdated equipment used on farms and in industrial manufacturing D) the income from the sales of goods abroad
For the past 3000 years sea level has been rising at a rate of ________.
A. 1 km per century B. 1 meter per century C. 1 inch per year D. an unknown amount E. 4 cm per century
Most of Earth's carbon is stored in the ________.
A. atmosphere B. hydrosphere C. biosphere D. lithosphere
When Nellie Newton is inside a freely-falling elevator she has
A. no weight. B. reduced mass. C. no force due to gravity on her. D. all of the above