Almost nine-tenths of Earth's history occurs during the
A)Phanerozoic.
B)Archean.
C)Paleozoic.
D)Precambrian.

Question

Quizplus · Accepted Answer

The Precambrian encompasses nearly 88% of Earth's history, starting from the formation of the Earth about 4.6 billion years ago and ending with the start of the Cambrian Period about 541 million years ago. It includes both the Archean and Proterozoic eons, covering a vast span of time before the Phanerozoic eon, which includes the Paleozoic, Mesozoic, and Cenozoic eras.

Almost Nine-Tenths of Earth's History Occurs During the