Convection currents occur when energy transfers between 2 parts of a fluid​

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Step-by-step explanationtdytyt:tty

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step-by-step explanation:

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168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168