Answer: 3. Atomic number
Explanation: Good luck! :D
<span>Angioplasty is the technique of mechanically widening narrowed or obstructed arteries. This is the process of putting a balloon in your arteries to widen it for blood flow. So Angioplasty would not be the best way to treat an aneurysm because an aneurysm is a bubble full of blood. Angioplasty would not work.</span>
Assuming that ambulances carry blood for purposes of
transfusion, the blood type that I would expect to be in greatest supply in an
ambulance would be Blood Type O. Blood Type O is dubbed the universal donor (or
General donor) because they have there are neither A nor B antigens.