Question

Air, Steel and Saltwater are substances in which sound waves can travel. At room temperature, in which of the substances will sound travel from fastest to slowest?
A. Fastest in air, slowest in steel
B. Fastest in steel, slowest air
C. Fastest in saltwater , slowest air
D. Fastest in air, slowest in saltwater

Answer 1

Answer: B. Fastest in steel, slowest air

Explanation: sound waves travel faster in solids than in liquids, and faster in liquids than in gasses.

For more detailed explanation of the underlying reasons you can visit

https://en.wikipedia.org/wiki/Speed_of_sound

https://www.nde-ed.org/EducationResources/HighSchool/Sound/speedinmaterials.htm