Hindi, asked by bherub882, 2 months ago

हमारे दाँतों की ऊपरी परत बनी होती है-
(अ) कैल्शियम कार्बोनेट
ब) सोडियम क्लोराइड
(स) कैल्सियम सल्फेट
(द) कैल्सियम फास्फेट

Answers

Answered by sangeetasingh8595766

0

Answer:

option a

hope it's help you

Answered by manjusaini0923

2

(A)कैल्शियम कार्बोनेट

Explanation:

hope it helps you

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