Amonopolist will have a marginal revenue curve that is - identical to the demand curve. identical to the marginal cost curve. below the demand curve. above the marginal cost curve.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.

they protect against unsafe foods and medicines being sold

explanation:

answer; biological;

answer; ///attempts to change more than once behavior at the same time;