If an air parcel is warmer than the surrounding environment, then it will _____.
A) rise or sink, depending on the time of day
B) remain at its current position
C) rise
D) sink
Answer: C) rise
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If the Sun were to disappear right now, we wouldn't know about it for 8 minutes because it takes 8 minutes
A) for the Sun to disappear. B) to operate receiving equipment in the dark. C) for light to travel from the Sun to Earth. D) all of the above E) none of the above
Since 2005, the United States has ________
A) improved the efficiency of its technology and now does not need to import foreign oil B) been steadily consuming more oil and producing less oil domestically C) decreased oil consumption, mostly due to citizens purchasing more fuel-efficient vehicles D) increased its oil consumption, while India and China have decreased their consumption by means of strict environmental legislation
In order to see a rainbow, an observer must ________ the Sun and ________ the rain
A) face; have his back to B) face; face C) have his back to; face D) have his back to; have his back to
Kofi Annan stated that we are in need of a "new ethic of stewardship." On what principles should this new ethic be built?
What will be an ideal response?