Question

Which of the following is a difference between sound and light?

1. Humans can only detect light, not sound
2. Only light travels as a wave
3. Sound travels faster than light
4. Only light can travel through space, not sound

Answer 1

It would be 4. Only light can travel through space, not sound...

Step-by-step explanation:

Light can only travel through empty space.

Answer 2

4

Step-by-step explanation:

Humans can detect light and sound, also light and sound travel in waves. Light is faster than sound but sound waves cannot travel through space because there is no medium for the sound waves to travel through.