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Word of the Day
Bubble (noun)
January 19, 2015
Question 1 / 1
bubble
(n.)
She blew
bubbles
into the air.
a small ball of air in a solid substance
the invisible mixture of gases (such as nitrogen and oxygen) that surrounds the Earth and that people and animals breathe
a chemical that has no color or smell and that makes up a large part of the atmosphere
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Bubble (noun)
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