Question

sentence of tree with birds​

Answer 1

Explanation:

Page :

Date:

/

you are rohul /rohini write a lettere

to the editor of a newspaper about the use

of loudspeakers and with increasing

effect, suggest some points to solve this

publem

Answer 2

Answer:

Sound is created when something vibrates and sends waves of energy (vibration) into our ears. The vibrations travel through the air or another medium (solid, liquid or gas) to the ear. The stronger the vibrations, the louder the sound. ... Sound changes depending on how fast or slow an object vibrates to make sound waves.