Pulmonary vein
Aorta
Pulmonary artery
Vena cava
Answer:
I don't think so but u have to find out for your self
Answer:b)lubricating surfaces
Explanation:took it on edge hope this helped
Answer & Explanation:
Domain Eukarya includes all eukaryotes. This is a diverse group of organisms. It includes plants, animals, fungi, and protists. These organisms are classified together because they are made up of eukaryotic cells.
Oxygen-16 and Carbon-12 are stableisotopes of elements O and C respectively. Hence, they do not have half-lives. But Carbon-14 andUranium-238 are radioactive isotopes. Among them Carbon-14 has relatively short half-life as about 5730 years while Uranium-238 has a long half-life as about 4.5 billion years.
Answer is. uranium-238
