Question

ege shell is made up off?​

Answer 1

Answer:

Eggshell is made almost entirely of calcium carbonate (CaCO3) crystals. It is a semipermeable membrane, which means that air and moisture can pass through its pores. The shell also has a thin outermost coating called the bloom or cuticle that helps keep out bacteria and dust.

Answer 2

Answer:

egg shell is made up of entirely calcium carbonate crystals .

Explanation:

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