According to Wien's Law, which of the following would have a peak energy emission at the longest wavelengths?
A) an automobile engine that has been running for an hour
B) the illuminated headlights of an automobile
C) the Sun
D) a rock on an open plain on a hot day
E) the Earth as a whole
E
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Which of the following is not a real compound?
A) 1-hydroxybutanoic acid B) 2-hydroxybutanoic acid C) 3-hydroxybutanoic acid D) None, they are all real compounds.
To provide south Florida with water during its winter dry season, the Everglades Restoration Plan calls for
A) strict water conservation in farming and urban areas during the dry months. B) directing water away from Everglades National Park into reservoirs for urban and farm use. C) directing more water into the Everglades flow system and building underground reservoirs. D) digging canals to bring in additional water from the Atlantic and the Gulf of Mexico.
The average thickness of oceanic crust is:
A. 50 km B. 5 km C. 7 km D. 12 km
The environmental effects of damming rivers for hydropower are minimal
Indicate whether the statement is true or false