Answer
Option (B)
Work Step by Step
We know that the best explanation is option (B) -- that is, black is a more efficient radiator of heat than white. Therefore, the black paint radiates more heat, and allows the airplane to stay cooler.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.