light waves do not require a medium so A would be your answer good luck :)
Alpha Centauri A is about 93 million miles away from the Earth and it takes light 4.367 years to reach there.
Answer:
The person feels cool at first because the swimming pool water is usually cool and he/she has that water on his body. But when it evaporates, the cool air directly touches his body and that's why he/she feels cold.
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