The acidity levels of the early oceans were much lower than today, so it took 4 billion years of weathering in order to reach the level of salinity present in the oceans today.

Question

Quizplus · Accepted Answer

The statement is about the acidity levels and weathering is not directly related to salinity, which is determined by factors such as evaporation and inflow from rivers. Additionally, studies suggest that the oceans may have been more acidic in the past due to higher concentrations of carbon dioxide in the atmosphere.

The Acidity Levels of the Early Oceans Were Much Lower