If petroleum is in short supply relative to demand, its price tends to rise. How does this affect the demand for coal?

What will be an ideal response?


Answer: When oil prices rise, demand for coal rises to the extent that coal can be substituted for oil.

Environmental & Atmospheric Sciences

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What is the political status of Puerto Rico?

A) It is a possession of the United States, but its residents are not U.S. citizens. B) It is a colony of Spain. C) It is a commonwealth of the U.S. and its residents can move freely to the U.S. mainland. D) It is a state of the Republic of the Greater Antilles. E) It is an independent country.

Environmental & Atmospheric Sciences

One would expect a cP air mass to be:

a. cold and dry. b. cold and moist. c. warm and dry. d. warm and moist.

Environmental & Atmospheric Sciences

Millennial-scale oscillations

A) typically begin with a slow increase in temperature. B) take 500 or so years for a complete cycle. C) indicate the earth flips back and forth between warmer states and colder states. D) have little impact on precipitation patterns.

Environmental & Atmospheric Sciences

How do point and non-point sources differ? Give one example of each.

What will be an ideal response?

Environmental & Atmospheric Sciences