Answer: by comparing it to similar rocks and fossils of known ages. Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes
Explanation: plz mark brainest
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the correct answer is president nixon
Territories obtained in the Mexican American War of 1848 caused further sectional strife over the expansion of slavery.
<h3>What is Mexican-American War?</h3>
Mexican-American War can be regarded as the annexation of republic of Texas which occured as a result of dispute over the boundary of Texas is at Nueces river .
This war create more tension between the North and the South because of sectional strife over the expansion of slavery.
Learn more about Mexican-American War at;
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The Truman Doctrine established that the US would provide support to other countries under threat from Communism by the Soviets. This also resulted in the Korean War 3 years later.
