Oxygen and hydrogen are the most abundant elements in Earth's hydrosphere. 2. The most abundant element in the lithosphere and biosphere is also the most abundant element in Earth's hydrosphere.

How is hydrosphere formed?

Once the planet's surface had cooled sufficiently, water contained in the minerals of the accreted material and released at depth could escape to the surface and, instead of being lost to space, cooled and condensed to form the initial hydrosphere. ... The hydrogen is lost to space and the oxygen remains behind.

Which element is found in both the atmosphere and the hydrosphere?

Carbon is an important element for life on earth and can be found in all four major spheres of the planet: biosphere, atmosphere, hydrosphere, and lithosphere (the rigid, rocky outer layer of the earth).