The column of Trajan, erected in Rome in 106-113 A.D., is 125 feet tall. What is its height in centimeters?
A) 1,510 cm
B) 591 cm
C) 2,520 cm
D) 3,810 cm
E) 38,100 cm
D
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This photograph shows a small portion of the Sun's photosphere. What is going on in the bright regions (such as the bright region indicated by the arrow)?
A) Hot gas is rising up from the solar interior. B) Cool gas is falling back down into the solar interior. C) The bright spots are regions of unusually intense magnetic fields. D) The bright spots are what we call sunspots.
Stars in a constellation ________.
A. are close to one another in space B. neither rise nor set C. are in the same direction in the sky D. all formed at about the same time E. None of these choices is correct.
You would be richest if your hunk of gold weighed 10 newtons
A) on the moon. B) on Earth. C) Actually it wouldn't make any difference.
Which of the following is a transuranium element?
a. Am b. Pa c. Ra d. Tc