les schwab do things differently they don t quote for brake pads they quote for loaded calipers while telling me verbally they would try to machine the rotors they presented for my signature an estimate containing new rotors even though they had measurements indicating the rotors were only 25 % worn
How long is an eon? A: Although astronomers and geologists use the word eon to mean 1 billion years, it is more commonly used to refer to any long, indefinite period of time. L... Full Answer > Filed Under:
The Geological period consists of time periods in the origin and evolution of earth. The earth is about 4.5 billion years old. The time from the origin of the earth to the present is divided into super eons, eons, eras and periods. The Precambrian period is a super eon that is sub-divided into three eons: â¢ the Hadean Eon (4.5 to 3.8 billion years before present), â¢ the Archean Eon (3.8 to 2.5 billion years before present),, and.