Some thermal mugs have layers of materials to keep drinks hot for as long as
possible. Which combination of layers would work best for this purpose?
A. Inner core of steel, no air gap, outer layer of glass
B. Inner core of steel, air gap, outer layer of plastic
C. Inner core of glass, air gap, outer layer of plastic
O D. Inner core of steel, no air gap, outer layer of plastic
Answers: 2
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In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
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Asolid that forms and separates from a liquid mixture is called
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Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.
Answers: 2
Some thermal mugs have layers of materials to keep drinks hot for as long as
possible. Which combi...
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