Light can travel in vacuum whereas sound can not do so. Why?

Light can travel in vacumm but sound cannot. Why?

Assertion: Light can travel in vacuum but sound cannot do so. Reason: Light is an em wave and sound is a mechanical wave.

Can light travel in vacuum ?

Why can light waves travel in vacuum whereas sound wave cannot?

(A ): The light can travel in vacuum but sound cannot do so (R) : Light is an electromagnetic wave and sound is a mechanical wave

(A ): The light can travel in vacuum but sound cannot do so (R) : Light is an electromagnetic wave and sound is a mechanical wave

Sound can travel in vacuum.

Light can travel in vacuum but sound cannot travel. Explain.