How old is the Earth?
about 4.5-4.6 billion years old
8 to 7 thousand years old
The geologic evidence shows that the age of the Earth is about 4.5 billion years. Here is a link to the US Geological Survey that explains how they arrive at that conclusion.http://pubs.usgs.gov/gip/geotime/age.html
4.54 billion years old.(give or take 0.05)