'This prized natural substance is made up of alternating thin plates of calcium carbonate & chochiolin'
mother of pearl
SCIENCE CLASS: This prized natural substance is made up of alternating thin plates of calcium carbonate & chochiolin
This prized natural substance is made up of alternating thin plates of calcium carbonate & chochiolin
This prized natural substance is made up of alternating thin plates of calcium carbonate & chochiolin
SCIENCE CLASS
mother of pearl
SCIENCE CLASS