The Hoover Dam is 726 feet high. What is its height in kilometers?
A) 0.726 kilometers
B) 0.525 kilometers
C) 0.221 kilometers
D) 0.275 kilometers
E) 0.138 kilometers
C
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Size of the Nucleus: Calculate the estimated density of the nucleus of 
Sr? (mneutron ? mproton = 1.67 × 10-27 kg)
A. greater than 3.0 × 1020 kg/m3 B. 90 kg/m3 C. 2.1 × 1019 kg/m3 D. 2.0 × 1015 kg/m3 E. 2.3 × 1017 kg/m3
If the same quantity of heat is added to both a 1-liter and a 2-liter container of water, the temperature change in the 1-liter container will be
A) less. B) the same. C) greater.
A blueberry will look black when illuminated with
A) red light. B) yellow light. C) magenta light. D) cyan light. E) none of the above
Which one has the smallest range of possibilities [or quantum uncertainty range]?
A) water molecule B) dust grain C) proton D) helium atom E) electron