Where on Earth would you be if Polaris were directly overhead?
A) North Pole
B) Arctic Circle
C) Tropic of Cancer
D) Equator
E) It lies overhead everywhere on Earth.
A
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Which of the following statements about lunar phases is true?
A) It is possible to have two full moons during November, but not during December. B) The full moon sometimes rises around midnight. C) The time between new moons is two weeks. D) The time from one new moon to the next new moon is the same as the time from first-quarter moon to third-quarter moon. E) It is possible to have two full moons during January, but not during February.
Far from their source, electromagnetic waves are
A) elliptical waves. B) longitudinal waves. C) plane waves. D) spherical waves. E) circular waves.
The helium capture process tends to produce chiefly
A) only carbon. B) stable elements. C) even numbered elements. D) odd numbered elements. E) only radioactive elements.
Why do some people think that cogeneration is a useful strategy for dealing with energy generation? Explain
What will be an ideal response?