Question

2 condensation of water vapor caused the global oceans to form during the ____.
○ cenozoic era
○ archaen eon
○ hadean eon
○ mesozoic era

Explanation:

During the Hadean Eon, as the Earth cooled, condensation of water vapor led to the formation of the global oceans. The Archaen Eon came after the Hadean and life - forms began to emerge then. The Cenozoic and Mesozoic eras are much later in Earth's history and are characterized by different geological and biological events.

Answer:

Hadean Eon