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Alexus [3.1K]
4 years ago
14

You suspect that a sample of rock dates from about 200,000 years ago. If you want to determine an absolute date for this rock, w

hich dating method would you use? Please explain.
A. Principle of inclusions
B. Uranium/lead dating
C. Potassium/argon dating
D. Carbon/nitrogen dating
Geography
2 answers:
dimaraw [331]4 years ago
4 0

Answer:   C Potassium/argon dating

Explanation:  you would use potassium argon dating

Yuki888 [10]4 years ago
3 0

Answer:

C. Potassium/argon dating

Explanation:

When it comes to dating old objects, science use a variety of methods, most of them based on known and stable physical/chemical reactions.

A. Principle of inclusions states that if you basically find a rock inside another rock, the inner one is older. Doesn't help in this case.

B. Uranium/lead dating  is used to date very very old stuff, like more than a million years old, up to 4.5 billions years - the age of our planet. If I suspect the rock is about 200,000 years, this won't do.

C. Potassium/argon dating  is used to date rocks that are older than 100,000 years, so this would be the good technique to use.

D. Carbon/nitrogen dating is use to date stuff ranging from about 5,700 years to 50,000 years. Not useful in this case.

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