Nails are made of:
a.
living cells.
c.
living and dead cells.
b.
dead cells.
d.
none of the above.

keratin

Your nails are made of keratin

Keratin is a type of protein that forms the cells that make up the tissue in nails and other parts of your body.

Explanation:

integrated circuit (ic) is defined as a set of electronic circuits on one small flat piece of semiconductor material, normally silicon. a functional electronic circuit requires transistors, resistors, capacitors, inductors, etc., and the connections between them.

you did not attach the discourse, but i assume it to be the discourse on the origin and basis of inequality among men (the original titile in french is: "discours sur l'origine et les fondements de l'inégalité parmi les hommes"), also know as "second discourse". in this discourse, jean-jacques rousseau emphasizes that private property is the basis of all inequalities.

therefore, what enabled the old regime to maintain as long as it did was private property.