Which of the following is not an exception to the general patterns in the solar system?
A) the "backward" rotation of Venus
B) the relatively large size of Earth's Moon compared to Earth
C) the fact that Saturn has rings
D) the extreme axis tilt of Uranus
E) the "backward" orbit of Triton around Neptune
C) the fact that Saturn has rings
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According to the second law of thermodynamics, for any process that may occur within an isolated system, which answer applies?
A. entropy remains constant. B. entropy increases. C. entropy decreases. D. depends on the rate of change of the process.
Consider a compass with a square magnet placed in a uniform electric field, as shown below. Supposing that we place the square-magnet compass in a rightward magnetic field instead of a rightward electric field
.
A. Clockwise, to align itself with the field. B. Counter clockwise, to align itself with the field. C. 180° either clockwise or counter clockwise. D. It won’t turn, as it is already aligned with the field. E. It won’t turn, because the field wants to twist it around a different axis altogether. F. It won’t turn because it is not affected by this field.
The specific heat capacity of aluminum is more than twice that of copper. Place equal masses of aluminum and copper wire in a flame and the wire to heat up quickest will be
A) copper. B) aluminum. C) both the same
During the Pleistocene ice age
A) there was one large episode of glacial advance. B) there were several episodes of glacial advance and retreat. C) Earth's entire surface was covered with ice. D) Earth's oceans were completely frozen.