Question

निम्नलिखित पत्र का प्रारूप तैयार कीजिए please answer this questions in this pic​

Answer 1

Answer:

Cavities are permanently damaged areas in the hard surface of your teeth that develop into tiny openings or holes. Cavities, also called tooth decay or caries, are caused by a combination of factors, including bacteria in your mouth, frequent snacking, sipping sugary drinks and not cleaning your teeth well.