In oviparous animals like birds and reptiles the fertilized egg is covered by shell made up of _____.
Option 1 : Na2CO3
Option 2 : CaCO3
Option 3 : MgCO3
Option 4 : SiO2
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In oviparous animals like birds and reptiles the fertilized egg is covered by shell made up of _____.
Option 1 : Na2CO3
Option 2 : CaCO3
Option 3 : MgCO3
Option 4 : SiO2