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.
Free trade, also called laissez-faire, is a policy in which the government does not discriminate against imports or interfere with the export of goods through prices (for sale) or subsidies (for export).
<h3>What are free trade and free movement?</h3>
Under the free trade policy, goods and services may be purchased and sold at international borders with limited or non-existent government tariffs, quotas, subsidies, or restrictions to restrict their trade.
The concept of free trade is contrary to trade protection or economic isolation.
Thus, free trade movement deals with free trade and the movement of people, capital, and goods and services.
learn more about free trade movement here:
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My hometown is _____. It was founded in ____, by ______. It has a population of _______. Some of the cities that surround it are ____, ____, and ______. The schools in ______ are _____________________. Some of the attractions are ________. The mayor is _______. Some local restaurants are ______. My favorite things to do in _____, are _________________.
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Crust and mantle hope it help plz give brainlest