| 1. | Rarefaction can be easily observed by compressing a spring and releasing it.
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| 2. | A natural example of rarefaction occurs in the layers of Earth's atmosphere.
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| 3. | The stimulus polarity can be rarefaction polarity, condensation polarity, or alternating polarity.
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| 4. | The pressure antinodes correspond to the locations with the highest amount of compression and rarefaction.
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| 5. | The classical elements change into one another by a process of condensation and rarefaction . earth.
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| 6. | Following initial development by Sanders, the technique of rarefaction has undergone a number of revisions.
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| 7. | This is succeeded by a rarefaction wave, which is responsible for propelling most of the ejecta out of the crater.
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| 8. | There will be no " breathing " of fresh air into the combustion zone until the arrival of the rarefaction wave.
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| 9. | A moving aircraft including the jet engine or propeller causes compression and rarefaction of the air, producing motion of air molecules.
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| 10. | Instead of seeing compressed loops seeming to move through the spring, spaced-out loops move through it : rarefaction waves.
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