In 2010, United States coal mines produced 1,805.3 million tons of coal. What was the coal consumption per capita for the United States? Assume an approximate population of 308 million for that year.
What will be an ideal response?
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A large-scale outbreak of a disease is called a(n) ____________________ and a global-scale outbreak is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following molecules has the highest boiling point?
A. NH3 B. BH3 C. CH4 D. All of the above should have the same boiling point.
Which of the following best matches the description?Predominant feeling of a culture concerning ethical issues.
A. John Muir B. ethics C. Development approach D. Henry David Thoreau E. Ralph Waldo Emerson F. deep ecology G. Rachel Carson H. Conservation approach I. environmental justice J. morals K. Aldo Leopold L. industrial ecology M. Preservation approach
Hurricanes commonly form at the equator.
Answer the following statement true (T) or false (F)