What percentage of the Earth's surface is covered in fresh water?

The correct percentage of the Earth's surface covered in fresh water is approximately 3%. This figure includes all fresh water sources such as rivers, lakes, and glaciers, which together make up a small fraction of the Earth’s total water supply. The vast majority of the Earth’s water, about 97%, is saline and found in oceans. This distinction is crucial for understanding the availability of fresh water for human consumption and ecological systems. The limited amount of fresh water underlines the importance of effective water management and conservation practices in addressing global water scarcity issues.