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

Environmental & Atmospheric Sciences

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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.

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

How does the analysis of marine sediments provide information about the climate of the ancient Earth?

What will be an ideal response?

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences