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Why would penguins, which are aquatic birds that live in polar regions, be unable to survive in a desert environment ?
asked
Aug 17, 2017
Biology
middle-school
1
answer
3
votes
28.7k
views
Which class of organic compounds has molecules that contain nitrogen atoms? (1) alcohol (3) ether (2) amine (4) ketone
asked
Dec 11, 2016
Chemistry
high-school
1
answer
5
votes
184k
views
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