Understanding the Hydrosphere: Earth's Water Realm

The video explains the hydrosphere, which includes all forms of Earth's water. It covers the distribution of saltwater and freshwater, highlighting that 70% of Earth is covered by water, with 97% being saltwater in oceans. Freshwater sources include precipitation, rivers, lakes, and groundwater. Glaciers, primarily in Antarctica and Greenland, are significant freshwater reserves. The video concludes with a review and quiz questions to reinforce learning.

What are aquifers and what role do they play in the hydrosphere?

Where are most of the world's glaciers located?