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Wood first appeared in plants called progymnosperms.
Some male birds and mammals congregate in communal courting grounds called leks.
TrUe....FaLsE
The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
A square matrix P is called a permutation matrix if each row and column of P contains exactly ...