Question

The difference between the speed of sound n air at 0°C and the speed of sound in air at 20°c is that...
A. Cooler air molecules move more slowly and respond less readily to the energy of a sound wave.
B. Cooler air molecules move more quickly and respond less readily to the energy of a sound wave.
C. Cooler air molecules do not move and respond less readily to the energy of a sound wave.
D. Cooler air molecules move more randomly and respond less readily to the energy of a sound wave.

Answer 1

A