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2 votes
Which of the following materials is not a fluid

A. Air
B. Cork
C. Gasoline
D. Water

2 Answers

6 votes
air because it is a gas
User Kjsebastian
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6.3k points
2 votes

it has to be a cork, because air is gaseous, and can be liquidized due to the large quantity of oxygen that makes it up

User Vladimir  Almaev
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