A geologist uses relative dating methods to guess that a rock is between 1 million and 5 million years old. What is one radioact

Question

Korvikt [17]

3 years ago

8

A geologist uses relative dating methods to guess that a rock is between 1 million and 5 million years old. What is one radioact

ive isotope the geologist can use to learn the exact age of the rock?

Biology

1 answer:

vovangra [49] · Answer 1 · 2022-09-16T15:08:20+03:00

vovangra [49]3 years ago

5 0

Answer:

Scientists usually use the potassium-argon method to date rocks that are older than about 1 million years. Uranium-238 is also used for radiometric dating. It has a half-life of 4.5 billion years. It decays to produce lead-206.