Question

1 what is sound? mention the sources of sound?
2how sound is pronounce by human being​

Answer 1

$\LARGE\tt \purple{ Answer }$

1. Sound is a form of energy that is produced when an object or material vibrates and sends waves of energy (vibrations) to our ears. This form of energy is detected by our ears as sound. A vibrating object, for example, a loudspeaker, sets up a series of vibrations in the air between the source of the sound and our ear.
2. A man, woman, or child of the species Homo sapiens, distinguished from other animals by superior mental development, power of articulate speech, and upright stance. ... 'We human beings differ from most animals in that we act upon nature to produce the things we want and need.

Answer 2

Sound is a form of energy that is produced when an object or material vibrates and sends waves of energy (vibrations) to our ears. This form of energy is detected by our ears as sound. A vibrating object, for example, a loudspeaker, sets up a series of vibrations in the air between the source of the sound and our ear.

A man, woman, or child of the species Homo sapiens, distinguished from other animals by superior mental development, power of articulate speech, and upright stance. ... 'We human beings differ from most animals in that we act upon nature to produce the things we want and need.