Tuesday, November 3, 2015

Formation of Pearl

Example of Explanation Text

General statement
Many women’s appearances trimmed by jewelry that is made by pearl since it is a lustrous gem that that is resistant of corrosion and makes the wearer looks gorgeous . pearl might be found inside an oyster because it is formed by the heap of extremely slight epithelium of the mollusk.

Explanation
            The construction of pearl begins when the mantle tip of the oyster is eaten by fish as the mollusk opens its shell to absorb food. It brings about the epithelium becomes fragments which will be scrubbed together with surrounding sand into the mollusk’s shell. Yet, this circumstance happens infrequently since it is impossible to ensure the oyster is always eaten by fish. Thus, the formation of  qualified pearl requires more time because of the need of sufficient epithelium.

Explanation
            After the crumbs is concentrated enough inside the oyster. The mollusk deposes its resin to wrap the irritant in order to discard itself of pain impacted by the irritant. This sticky substance is known as nacre which swathes the core of pearl and also makes the pearl shine naturally.

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