A list of heat transfer examples are listed below. Which is NOT an example of convection? A. Water boiling in a pot

B. Lava in a lava lamp moving

C. Hot pavement burning your feet

D. A hot air balloon rising

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Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

Disney, viacom and aol time warner are examples of