An invasive procedure in which a radiopaque dye is injected into the blood vessels of the neck and brain to detect blood vessels that are partially or completely blocked, aneurysms, or AV malformations is a

CEREBRAL ARTERIOGRAPHY or CEREBRAL ANGIOGRAPHY.

Explanation:

Presumably, this help doctors determine abnormalities in images of blood vessels in the head and neck regions. Cerebral angiography uses a catheter, x-ray imaging guidance and an injection of contrast material to examine blood vessels.

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.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: