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Answer: The geologic time scale is divided based on the major changes in the earth’s surface and climate, and the other thing that divides them is the extinction of species. The appearance and disappearance of fossils also help influence this division.
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Higher notes are in treble clef.
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Usually 1 referee and 2 referee assistants. Hope this helps!
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Massachusetts Institute of Technology i would say but go with your heart if your choosing a college
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