Part of Speech:
n.pl. The part of speech reflects that used in the
full entry, and not necessarily the part of speech as it is used in the quotation below.
Quotation: The seven criteria pollutants are carbon monoxide (CO); lead; sulphur dioxide (SOx) and nitrogen oxide (NOx) (often called “socks and knocks”).
Author:
Mike Bull
Publishing Location:
St. Paul, Minn.
Dateline:
Research Department of the Minnesota House of Representatives
Date of Publication:
Oct., 2002
Page Number:
1
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