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Which type of molecule is most abundant in a typical cell?
Appalachian Mountains
A mountain range in Eastern North America, extending from the Canadian province of Newfoundland and Labrador to central Alabama in the United States.
Canadian Shield
A vast area of mostly crystalline rocks exposed in the eastern half of Canada and the Great Lakes region of the United States.
Precambrian
The era in Earth's history before the Cambrian Period, representing the time from the planet's formation to 541 million years ago.
Tectonic Terranes
Distinct portions of the Earth's crust, often with a unique geological history, that have been attached to a tectonic plate through the process of accretion.
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