Question

tests proved that the iceman was how old? *
300 years
5,000 years
3,500 years
5,300 years

Explanation:

The Iceman, also known as Ötzi, is a well - preserved natural mummy. Radiocarbon dating tests have been conducted on him. Radiocarbon dating is a method used to determine the age of an object containing organic material by using the properties of radiocarbon ($^{14}$C), a radioactive isotope of carbon. Based on scientific research and testing, the Iceman was found to be approximately 5,300 years old.

Answer:

5,300 years