AP BIOLOGY

Detailed explanation-1: -A hydrosphere is the total amount of water on a planet. The hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet’s hydrosphere can be liquid, vapor, or ice. On Earth, liquid water exists on the surface in the form of oceans, lakes and rivers.

Detailed explanation-2: -The hydrosphere (often referred to as the aquasphere) is generally defined by geochemists as the vapor, liquid, and solid water present at and near the land surface, and its dissolved constituents.

Detailed explanation-3: -The hydrosphere is the sum of Earth’s water, in the ocean, the ground, on the surface, and in the air. Approximately 71 percent of Earth’s surface is covered in water.

Detailed explanation-4: -The word hydrosphere comes from the Greek words for “water” and “ball.” It is the term used to talk about all of the water on our planet Earth.