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.
A both have 2 pairs of parallel sides but only the rhombus has 4 congruent sides.
A trade restriction is an artificial restriction on the trade of goods and/or services between two or more countries. It is the byproduct of protectionism.
I believe that the answer to your question is/ A grant is money given to an individual or organization for a specific purpose.
Physical characteristics of a place make up its natural environment and are derived from geological, hydrological, atmospheric, and biological processes. They include land forms, bodies of water, climate, soils, natural vegetation, and animal life.
