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 Proterozoic Eon The period of Earth's history that began 2.5 billion years ago and ended 542.0 million years ago is known as the Proterozoic, which is subdivided into three eras: the Paleoproterozoic (2.5 to 1.6 billion years ago), Mesoproterozoic (1.6 to 1 billion years ago), and Neoproterozoic (1 billion to 542.0 million years ago).* Many of the most exciting ...