Everyday Science MCQs Biology
Q Exoskeleton of a marine snail is composed of________________?
  • A A. Capo4
  • B B. Caco3
  • C C. Caso4
  • D D. Sio2
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Word of the Day
14 Jul
Obscenity
the state or quality of being obscene.
Ψ¨Ϋ’ΫΩˆΨ―Ϊ―ΫŒΨŒ فحاشی، Ψ¨Ϋ’ Ψ΄Ψ±Ω…ΫŒ

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