Question

1) a thin protective shell of an egg?​

Answer 1

Answer:

The shell also has a thin outermost coating called the bloom or cuticle that helps keep out bacteria and dust. Lying between the eggshell and egg white, these two transparent protein membranes provide efficient defense against bacterial invasion. ... They're made partly of keratin, a protein that's also in human hair.

Explanation:

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Answer 2

Answer:

Eggshell.

Explanation:

A thin protective shell of an egg is eggshell.

Eggshell is made up of almost of carbon carbonate crystals.The shell has a thin otter most coating called the Bloom aur critical that helps keep or bacteria.

It is a semipermeable membrane which means that air and moisture can pass through its pores.