troylaboyy troylaboyy

22-05-2024
Social Studies

Answered

Which radioactive isotope would be best used in dating the following items:
a. A buried tree stump:
b. The oldest known rocks on Earth:
Colonysis fossils?

Answer :

GinnyAnswer GinnyAnswer

22-05-2024

Final answer:

Uranium-238 for oldest rocks, Carbon-14 for tree stump, other isotopes like potassium-argon for fossils

Explanation:

Uranium-238 would be the best radioactive isotope for dating the oldest known rocks on Earth due to its long half-life of 4.5 billion years, suitable for dating ancient materials.

For a buried tree stump, Carbon-14 dating would be appropriate as it is ideal for dating materials up to approximately 70,000 years old.

However, for Colonysis fossils, other isotopes like potassium-argon dating might be more suitable due to their ability to date igneous rocks that are much older.

Learn more about Radioactive dating here:

https://brainly.com/question/3274297

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