|The molten rock below the Earth's surface is called ____.
|Circles of latitude are parallel to the ____ on a globe.
|A mineral's ____can be transparent, translucent, or opaque.
|A ____ (isoline) joins points of equal elevation (height).
|At the Tropic of Cancer the Sun is at the zenith at ____ on 6/21.
|December 21 has the most hours of ____ in the U.S.
|The Moon's ____ around the Earth causes moon phases.
|Carbon dioxide, methane, and nitrous oxide are ____ gases.