Chemistry-

#### The most common minerals of phosphorus are

Chemistry-General

- Hydroxy apatite and kernite
- Colemanite and fluoraptite
- Hydroxy apatite and fluorapatile
- Borax and fluoraptite

#### Answer:The correct answer is: Hydroxy apatite and fluorapatilePhosphorus minerals is called as hydroxy apatite and fluorapatite

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If the unit vectors and are inclined at an angle such that , then lies in the interval

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