PLEASE HELP ITS A GRADE TO ANYONE WHOS GOOD W MAPS AND OR GEOGRAPHY WILL GIVE BRAINLIEST

What is the primary justification of the hypothesis that the early earth environment was void of oxygen? ( 2 points) data showing the concentrations of gases extracted from rocks fossil evidence regarding the origin of eukaryotes generally accepted atmospheric conditions molecular evidence based on evolutionary traits.

The current is like a stream or river in the ocean true or false

Explain the value of statistics and other data to positive economics and to normative economics