Question and answer
Matter is needed to transfer thermal energy by A. conduction. B. convection. C. radiation. D. both a and b
Matter is needed to transfer thermal energy by conduction and convection. The answer is both a and b.
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migzptz|Points 7373|
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Asked 2/6/2013 12:56:54 PM
Updated 1/13/2017 8:49:08 AM
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This answer has been confirmed as correct and helpful.
Edited by Andrew. [1/13/2017 8:49:07 AM], Confirmed by Andrew. [1/13/2017 8:49:08 AM]
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Updated 7/2/2016 10:16:01 PM
1 Answer/Comment
Reflecting telescope uses a large concave mirror, a plane mirror, and a convex lens to gather light, focus, and enlarge an image.
Added 7/2/2016 10:15:58 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/2/2016 10:16:12 PM]
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