What are the main steps of the oxygen cycle in nature?


It is the second most abundant element in the earth’s atmosphere by volume after nitrogen. Oxygen forms about 21 percent of the atmospheric gases. It is an essential element for the building up of living organisms and its life processes such as respiration.

Oxygen Cycle- Process, Uses, Production and Facts about Oxygen

The Oxygen Reservoirs Are:

  • Atmosphere –In terms of volume, 21 percent of Oxygen is present as free oxygen molecules, ozone, carbon dioxide, sulfur, water vapor, and nitrogen oxides.
  • Biosphere – Oxygen is present at about 22 percent by volume as a compound of organic molecules and water molecules.



2 Comments Add yours

  1. nitinsingh says:

    Class 8 th class, oxygen cycle, n nitrogen cycle🤣🤣🙏🙏

    Liked by 1 person

    1. daneelyunus says:

      But it is very interesting topic 😊😊


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s