what makes the shells gleam
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Answer. Answer: Seashells are the exoskeletons of mollusks such as snails, clams, oysters and many others. ... ... Mantle tissue that is located under and in contact with the shell secretes proteins and mineral extracellularly to form the shell.
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2) Construct ∆ Such that , AB+BC+CA=11.3cm, m∠ = 700 &
m∠ = 600
( Draw rough figure & explanation is compulsory )
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