Question

multiple choice 1 point
through which medium does sound travel the fastest?
b. steel
c. steam
a. air
d. water

Explanation:

Sound travels fastest in solids because the particles in solids are closely packed. Steel is a solid, while steam (gas) and air (gas) have more spaced - out particles, and water (liquid) has less closely - packed particles than steel.

Answer:

B. steel