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Sagot :
Final answer:
The correct statements are P and R only, as water uses energy to evaporate and results in the cooling of the student's face.
Explanation:
The correct statements are P and R only:
- Statement P: The water uses energy to evaporate, which is a process where liquid water transforms into water vapor by absorbing heat energy from its surroundings.
- Statement R: The face of the student cools, which occurs because as the water on the face evaporates, it absorbs heat from the skin, leading to a cooling effect.
Therefore, the correct statements are P and R.
Learn more about Energy transfer in evaporation here:
https://brainly.com/question/30127456
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