Which is required for convection to occur?
a. a solid substance
b. a heat source<...
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The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection
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The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.
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The substances that are necessary for producing of certain hormones and that store and transport vitamins
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How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
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