Question

multiple choice question
during the ______ early earth was subjected to ultraviolet radiation, volcanic eruptions, earthquakes, and bombardment by meteorites.
paleozoic era
mesozoic era
phanerozoic eon
hadean eon

Explanation:

The Hadean eon was a time when Earth was newly - formed and subject to intense ultraviolet radiation, volcanic eruptions, earthquakes, and meteorite bombardment. The Paleozoic era, Mesozoic era, and Phanerozoic eon came later in Earth's history when the planet had already undergone significant changes.

Answer:

D. Hadean eon