In the above HR diagram, which main sequence star is bluish in color?
A. A
B. B
C. C
D. D
E. E
Answer: A
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Inaccuracies in U.S. censuses
A) do not occur with any degree of significance. B) are no big deal—they are just a count of the population, anyway. C) are the result of government mismanagement. D) are a big deal—they affect the distribution of federal revenues and congressional seats. E) are a big deal—they affect the distribution of professional sports franchises around the country.
Sediments are classified as:
a. detrital, clastic, and chemical. b. detrital and clastic. c. detrital and chemical. d. particulate and crystalline. e. organic, particulate, and crystalline.
According to the RCP8.5 scenario of high emissions
A) global surface temperatures will increase throughout the 21st century, but at a very gradual rate. B) global surface temperatures will cool during the most of the 21st century. C) global surface temperatures will increase until about mid-century, then steadily decrease. D) global surface temperatures will increase throughout the 21st century, perhaps by as much as 4°C (7.2°F) by 2100.
How does the analysis of marine sediments provide information about the climate of the ancient Earth?
What will be an ideal response?