Approximately how much freshwater is easily accessible to humans on earth A. 97% , B. 10% , C. Less than 1%

C  

Explanation:

National geographic says "While nearly 70 percent of the world is covered by water, only 2.5 percent of it is fresh. The rest is saline and ocean-based. Even then, just 1 percent of our freshwater is easily accessible, with much of it trapped in glaciers and snowfields."