What must be true about two objects for conduction to take place?
the objects must be d...
Chemistry, 16.12.2019 11:31 sreyasusanbinu
What must be true about two objects for conduction to take place?
the objects must be different temperatures and they must be in contact.
the objects must be the same temperature and they must be in contact.
the objects must be different temperatures and they must be insulators.
the objects must be the same temperature and they must be insulators.
Answers: 1
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Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
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