Earth is the ________ planet from the Sun.
A. first
B. second
C. third
D. fourth
E. fifth
Answer: C
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A bullet is fired horizontally at 100 m/s from a tower. With no air resistance in 1 s the bullet will be downrange a distance of
A. 50 m. B. 100 m. C. 98 m. D. more than 100 m.
Which forecasting method assumes that weather systems will move in the same direction and at approximately the same speed as they have been moving?
A) persistence forecast B) probability forecast C) steady-state (trend) forecast D) climatological forecast
Which of the following problems does international globalization tend to exacerbate?
A) climate change B) air and water pollution C) deforestation D) climate change, air pollution and water pollution E) air and water pollution, climate change, and deforestation
The Roadless Controversy centers on
A) the introduction of invasive species into ecosystems along roadways. B) the spread of solid wastes and pollutants into natural areas from roads. C) restricting logging roads to halt timber harvesting and access by off-road vehicles. D) preventing court challenges to the legislation by intimidating tourists and hunters.