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Which of the following is an example of convection?
a a hot object transferring heat to a cooler one
b the rays of the Sun warming the earth
c a hot oven warming the air around it
d hot air rising and cooler air falling


Sagot :

D.hot air rising and cooler air falling
A is example of radiation or conduction (i don't sure)
B is example of radiation
C is example of conduction
D is example of convection

The answer is D. hot air rising, cool air falling