Which geologic time span covers the majority of earth’s history?

mesozoic

cenozoic

precambrian

paleozoic

According to the geological time span, the era which covers major history of the Earth is considered to be Precambrian era.

Option 3

Explanation:

Precambrian era is considered to be the most covering history of the Earth based on two factors, one is that it is longest era according to the geological time scale.

And as it is the longest era, major historical events of Earth are witnessed during this time. Precambrian era is known to be the beginning of formation of Earth which was about 4.5 billion years ago and it lasted for 542 million years ago.

a is the answer i believe.

polar areas, such as antarctica or the south pole.