What ancient egypt discoveries was the greatest and had the most influence on society as we know it today?

The tomb of Tutankhamun in Egypt's Valley of the Kings is, arguably, the most famous archaeological discovery ever made. Unearthed in 1922 by a team led by Howard Carter, the tomb was filled with fantastic treasures, including Tutankhamun's death mask, which today is practically an icon.

Explanation:

there ya go mate ^^

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.