Consider the following statements with refrence to Earth 39 s origin 1 The history of Earth is divid...........

Geography Shape and Motions of Earth

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Consider the following statements with refrence to Earth's origin:

1. The history of Earth is divided into nine great eons.

2. The history of the Earth can be organized chronologically according to the geologic time scale.

Which of the statements given above is/are correct?

1 only

2 only

Both 1 and 2

Neither 1 Nor 2

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Explanation:

The history of Earth is divided into four great eons, starting 4,540 mya (million years ago) with the formation of the planet. Each eon saw the most significant changes in Earth's composition, climate and life. Each eon is subsequently divided into eras, which in turn are divided into periods, which are further divided into epochs. The history of Earth is divided into four great eons.