kamilahgomez5 kamilahgomez5

02-05-2020
Biology

contestada

The primary cause of a pearl forming is __________.

A. A larva that is not released after fertilization of the egg
B. Pollutants present in the water
C. The presences of a nacreous layer in oysters
D. An irritant that becomes embedded in the mantle

Respuesta :

nalaxena627 nalaxena627

02-05-2020

The answer is D. An irritant that because embedded in the mantle

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