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
Answer: She should Avoid Contact with other people's bodily fluids.
Explanation: Hope that helps! (:
Answer:
D. Celsius
Explanation:
Temperatures up to 37.3 and down to 36.7 are considered to be within the normal body temperature scale in Celsius.
Answer:
controlled variable
Explanation: i know this bc i just got it wrong lol