Question
What is the primary source of silicon in soil minerals?
Solution
Quartz (SiO â‚‚ ) is a primary mineral and major source of silicon. Feldspar and mica also contain silicon but in compounds.
As many persons senior to Z is same as junior to _____.
Which of the following statements is/are true?
Who among the following lives on Floor-2?
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Sum of pens with the DR and LABOUR is ___.
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