<span>X-ray imaging of the arterial blood vessels in the brain after injection of contrast material is Cerebral Angiography.
During this imaging, the contrast material is injected into femoral artery that is present in the thigh and then x-ray motion pictures are taken, these images are taken to detect the presence of vascular disease in the brain.</span>
Explanation:
i would say a or c that is my answer
I think the correct answer from the choices listed above is option B. The geologic time scale originally ordered earth's rocks by relative age. The principle is that in a sequence of undeformed sedimentary rocks the oldest beds are at the bottom and the youngest ones are at the top.
