| 11. | The Sun has a magnetic field because of convection currents in its conducting plasma.
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| 12. | Chilled panels cool the rising warm air, which then drops, creating a natural convection current.
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| 13. | It is the work of convection currents in the gaseous envelope surrounding the star's just-collapsed core.
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| 14. | The bottom of the gaseous mix is heated, producing convection currents that move the U-238 down.
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| 15. | Convection currents in the sub-lithospheric mantle are the driving mechanisms that caused sea floor spreading to occur.
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| 16. | As the sun sets, the convection current reverses and an offshore flow ensues causing a land breeze.
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| 17. | In addition, the building uses an convection currents that serve to ventilate the building all year long.
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| 18. | In the theory of plume tectonics developed during the 1990s, a modified concept of mantle convection currents is used.
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| 19. | Using weightlessness as a control factor, the scientists aim to learn more about convection currents in the earth's mantle.
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| 20. | Using weightlessness as a control factor, the scientists hope to learn more about convection currents in the earth's mantle.
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