about 4.6 billion years old. Scientists measure its age by using radioactive decay of isotopes found in meteorites and rocks. The Potassium and Uranium isotopes were formed at the same time as the solar system. The inference is that the age of the rocks and meteorites, is the age of the solar system.
Bellboy: yes sir the lower part of the hotel is about gone, sir. would most likely be the answer because he says it in a way that sounds almost as though it is not a big deal while in reality it is. I hope this helps!
