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geologic time scale
fossil record geologic time scale
geologic time scale
4.6 billion years
They are geologic features because when the crustal plates move its makes cracks on earth the the mountains are one because everytime the crustal plates move it breaks the earths surface and the dirt and rocks start gathering together
The Precambrian time
Geologic time scale
geologic time scale
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
geologic time scale
4.6 billion years
uniformitarianism
geologic time scale
The crust is the coldest geologic layer.