Which of these water sources contain freshwater ?
Polar ice caps
Underground water
Rivers and lakes
All of these
Polar Icecaps and Glaciers contain 68%, underground water contains 30% and rivers and lakes contain 1% of the total freshwater.
Arrange the following in decreasing percentage of freshwater contained in them: groundwater, frozen form (glaciers and polar ice caps), rivers, atmosphere.
This amount of world's freshwater is in polar ice caps and glaciers:
Which of these water sources is a major source of freshwater?