Examlex
A(n)________ is a primary key that is unique across all relations.
Glacier
A large, moving mass of ice formed by the accumulation and compaction of snow on mountains or near the poles.
Wind
Wind is the movement of air from areas of high pressure to low pressure, significantly influenced by the Earth's rotation, surface irregularities, and temperature differences.
River
A large natural stream of water flowing in a channel to the sea, a lake, or another river.
Glaciers
Glaciers are vast bodies of ice that form over eons from the accumulation and compaction of snow, significantly shaping the earth's landscape as they move.
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