Question

which of these do humans use the most for their source of drinking water? the oceans surface water & ground water the atmosphere ice caps and glaciers

Explanation:

Oceans have salt - water and are not used for drinking. The atmosphere has very little water in usable form. Ice caps and glaciers are difficult to access for daily drinking water. Surface water (lakes, rivers) and groundwater (wells) are the main sources of drinking water for humans.

Answer:

surface water & ground water