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1. |
It is hotter at the same distance over the top of a fire than it is on the side of it, mainly because |
A. | heat is radiated upwards |
B. | air condenses hear upwards |
C. | convection takes more heat upwards |
D. | conduction, convection and radiation all contribute significantly in transferring hear upwards |
Answer» D. conduction, convection and radiation all contribute significantly in transferring hear upwards | |