What is the primary purpose of the mitochondria in a cell? A. They store genetic information
B. They convert glucose into ATP energy the cell can use
C. They trap sunlight and use the energy to make food
D. They ship proteins across the cell membrane

convert glucose into ATP energy the cell can use.

Explanation:

you may have heard the phrase “mitochondria are the powerhouse of the cell” before, and it’s because they create energy for the cell

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.

allowed for the prediction of the properties of missing elements.