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A refrigerator requires a. combustion. b. a refrigerant. c. warm air. d. radiation.
answered
Mar 9, 2018
Biology
high-school
3
votes
77.8k
views
which inequality best represents the following situation: A driver is on the highway, with a speed limit of 70 miles per hour, and is not breaking the law?
answered
Jan 30, 2018
Mathematics
high-school
4
votes
154k
views
What units are used when describing the length of time that the universe has been expanding? (could possibly be multiple) billions of years millions of years light years light year kilometers decades
answered
Dec 25, 2017
Physics
middle-school
6
votes
49.1k
views
What the value of 9 in 69,143
answered
Aug 6, 2017
Mathematics
middle-school
5
votes
201k
views
What is a physical form in which a substance can exist?
answered
Sep 17, 2016
Physics
middle-school
4
votes
151k
views
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