In a chicken eggshell, there are approximately 7,000 pores.
The scientific name for eggshell is calcium carbonate.
Presuming that your question refers to the pores of an eggshell, and the enclosed embryo. The developing embryo requires oxygen for its development, and this is obtained through the pores in the shell. If these pores are blocked, as is done in preserving eggs, then the development will cease. Common preservative techniques include greasing the egg, or immersing it in a silicate solution.
Eggshell
The eggshell is porous.
latin word of eggshell
picture of an eggshell nail
It will soften, or even dissolve, eggshell.
Calcium Carbonate is the main component in an eggshell
The eggshell provides protection.
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
The vinegar reacts with the eggshell, dissolving the eggshell.