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
A rock that forms when magma hardens beneath Earth's surface is called an intrusive igneous rock.
Answer:
it uses it eye1s in the back of its head
Answer:
d. paraffin
Explanation:
Paraffin has low thermal conductivity, a high heat capacity, and is insoluble in water.