Answer:
Potassium argon dating
Explanation:
Potassium argon dating is a method used in determining the origin of a rock. I is done by comparing the ratio of radioactive argon to radioactive potassium in the rock. This method is used to date rocks that are thousands of million years old.
the assumptions made when using the Potassium argon dating include :
- no argon was left after formation of the rock
- no argon has either entered or escaped the sample since it was formed.
Southern Europe has a distinctively Mediterranean climate, which features warm to hot, dry summers and cool to mild winters and frequent sunny skies. Central-eastern Europe is classified as having a Continental climate, which features warm to hot summers and cold winters.
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They were both nomadic
Both peoples had some structure but not very much
The seismic focus is the point in the earth's crust where an earthquake originates from.
Explanation:
wow i did not think but its the 5th one bud are you dumb