Question

What are the different physical divisions of the biosphere?

Answer 1

Biosphere: This is the part of the planet where life exists.

There are three physical divisions of the biosphere that are as follows:

1. Land or Lithosphere: This includes the mountains, plains, valleys, hills, plateaus, and all forms of landmass present on Earth.
2. Water or Hydrosphere: This includes the water bodies like oceans, seas, rivers, lakes, ponds, and estuaries that span the planet.
3. Air or Atmosphere: It is composed of the gaseous mixture that envelops the planet and dominates climatic conditions.