Question

Describe various components of biosphere .

Answer 1

• Lithosphere is the outermost layer of earth called crust, which is made of different minerals. Its depth can reach up to...
• Hydrospherecomprises of all forms of water bodies on earth including oceans, seas, rivers, lakes, ponds, streams etc. It...
• Atmosphere is gaseous layer enveloping the Earth. The atmosphere with oxygen in abundance is unique to Earth and...
• Biosphererefers to all the regions on Earth where life exists. The ecosystems that support life could be in soil, air,...

Answer 2

Explanation:

The biosphere is the portion of Earth where life occurs -- the portions of the land, water and air that hold life. These parts are known, respectively, as the lithosphere, hydrosphere and atmosphere. The lithosphere is the land mass, excluding Earth's mantle and core, which do not support life.