In the United States, large areas of ________ are blanketed with a cover of loess.
A. the Rocky Mountains
B. the Midwest
C. Arizona and New Mexico
D. Canada
E. California
Answer: B
Environmental & Atmospheric Sciences
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Earth's layer with the most brittle behavior is the
A) mantle. B) crust. C) inner core. D) outer core.
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How does carbon enter the atmosphere? What effect does it have on Earth? How does it cycle back for use in biological components?
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Which of the following is the largest carbon sink?
A) Fossil fuels and oil shales B) The atmosphere C) Dead organic matter D) The oceans
Environmental & Atmospheric Sciences
The most dense objects known are black holes
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences