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Tanuj Singh
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Asked: 2021-06-01T14:01:20+00:00 In:

The hardness of the bone tissue is due to the phosphates and carbonates of

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Poll Results

23.53%(a) calcium and sodium ( 4 voters )
58.82%(b) calcium and magnesium ( 10 voters )
17.65%(c) magnesium and sodium ( 3 voters )
0%(d) magnesium and potassium
Based On 17 Votes

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NCERT Important Questions Class 9 Science biology Chapter 6
Important NCERT Extra Questions
Chapter 6 Tissues
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board

2021-2022biologybiology chapter 6cbsechapter 6class9ncertsciencetissues
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    1. (b) calcium and magnesium

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