For the cold pack shown below, the temperature on the outside surface has dropped considerably from its initial temperature of 25 °C. Which of the following provides the best explanation for this temperature decrease? A. The cold pack is releasing cold to the surroundings.
B. Ice is beginning to form on the outside of the bag, lowering its temperature.
C. Energy is traveling out of the bag into the surroundings, making the bag colder.
D. The thermometer is measuring the temperature of the surroundings, which is losing energy.

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Explanation:

a rain shadow is a dry region of land on the side that is protected against the prevailing winds of a mountain range. the prevailing winds are the winds that occur most of the time in a particular place of the earth

prevailing winds carry air toward the mountain range. as the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. on this side of the mountains, called the windward side, precipitation falls in the form of  rain  or snow. this dry air produces a  rain shadow.