Wall lizard moves on wall due to - Vacuum creation c) Leg Tail d) Naiil​

here you go...

Explanation:

Lizards have a large number of very tiny hairs on the pads of their feet called setae. These tiny pads therefore drastically increase the surface area and come in intimate contact with the surface on which the lizard is crawling, so the Van der Waals forces kick in.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

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.