Advantages of Mass Transit Rail systems include which of the following?
a. Causes fewer injuries and deaths than cars.
b. Inexpensive to build.
c. Produces less air pollution than cars.
d. All of these answers are correct.
e. Two of these answers choices are correct
E
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Acid precipitation is primarily associated with
A) the Ohio Valley. B) the Southwest. C) the Pacific Northwest. D) the western Great Lakes.
When the average temperature of the warmest month of a region averages above freezing, but below 10°C (50°F), you might expect to observe what type of vegetation there?
a. savanna b. tundra c. taiga d. steppe e. none - it’s too cold for anything to grow
Which areas are off-limits to all development?
a. National forests b. National parks c. Wilderness areas d. Bureau of Land Management lands
In 1974, it was discovered that CFCs were destroying _______ in the stratosphere.
Fill in the blank(s) with the appropriate word(s).