What the most navigable river system in the world?
A) Columbia
B) Colorado
C) Mississippi-Missouri
D) Great Lakes
E) Yukon
Answer: C
Environmental & Atmospheric Sciences
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The world has enough coal to last more than 400 years at present rates of consumption
Indicate whether the statement is true or false.
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The fall of the Library of Alexandria can be attributed to growing tensions between Hypatia and early Christian Romans
Indicate whether the statement is true or false
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Explain the difference between Ehrlich's rivet theory and Walker's theory of the importance of biodiversity
What will be an ideal response?
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Waste is a large contributor to climate change due to the GHG emission associated with landfilling or incineration. Landfills are the 3rd largest source of which GHG?
A. water vaopr B. VOCs C. carbon dioxide D. methane
Environmental & Atmospheric Sciences