Which best explains how thermal energy is transferred when someone holds a hand above a fire? a. it is being transferred by radiation because the hand is not in the path of rising air. b. it is not transferred by radiation because the hand is not in the path of rising air. c. it is being transferred by radiation because the hand is in the path of rising air. d. it is not transferred by radiation because the hand is in the path of rising air.

The answer is D. When one places a hand over a fire, they feel the heat mainly because of heat transfer by convection. This occurs when hot rising air, heated by the fire, reaches your hand. Cold air shift downwards to replace the hot rising air and the cycle continues. Nonetheless, radiation also contributes some part to the heat transfer but especially when you place your hands to the side of the fire.

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

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