Answer
(c) depends on temperature
Work Step by Step
Speed of sound in air depends on the temperature of air, because air's density depends on its temperature. With temperature, density changes, hence changes the speed of sound.
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.