Question

WHAT IS SOUND ? HOW MANY TYPES OF WAVES ARE THERE ?

Answer 1

sound is the vibrations that travel through the air or another medium and can be heated when it reach to person and animal there are2 types of waves
1.longitudinal wave
2.transative wave

Answer 2

Sound is a  vibration that propagates through a medium. 
There are 2 basic types of wave that are transverse and longitudinal waves.
please mark it the brainliest