What is magnetic declination?
Magnetic declination is the angle that a compass needle deviates from geographic
north.
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Galileo proposed that the Sun is a rotating sphere after he ____
a. noted how the Sun rose in the east and set in the west b. discovered the parallax of the Sun c. timed a full rotation of the Sun's equator d. observed sunspots move across the surface of the Sun e. measured different spectral lines of emission on different days
Newton's law of cooling applies to objects undergoing
A) cooling. B) warming. C) both of these D) neither of these
How are the polar regions of Mercury and the Moon similar?
A) Both are covered by huge mare-type basins from impacts. B) Both seem to have ice pockets in the deepest, darkest crater floors. C) Both have bright dry ice polar caps, like Mars. D) Both have lakes of liquid water under their regolith. E) Both have been hit by large comets that melted there.
When a sedimentary rock is melted and then re-solidifies it turns into
A) an igneous rock B) a meteorite C) a metamorphic rock D) another sedimentary rock