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6. Cyclic movement of a liquid or a gas due to
difference in temperature. (10)
7. Poor conductor of heat. (5)
8. Good conductor of heat. (5)
9. Non-conductor of heat and electricity. (9)
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Answer:
COVECTION CURRENTS ARE FLOWING CURRENTS WHICH MOVE BECAUSE OF TEMPERATURE OR DENSITY DIFFERENCE WITHIN THE MATERIAL
Steel is the poorest conductor of heat.
Copper
Copper is a good conductor of heat.
wool is a non-conductor of heat; ELECTRICITY
Explanation:
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