Question

make diagram of oxygen cycle and explain it​

Answer 1

Answer:

The main reservoirs of oxygen are:

Atmosphere

Biosphere

Hydrosphere

Lithosphere

Explanation:

The oxygen cycle describes the various forms in which oxygen is found and how it moves through different reservoirs on Earth. ... There are three major reservoirs of oxygen: the atmosphere, biosphere, and lithosphere. Some people also consider the hydrosphere, a subdivision of the biosphere, to be the fourth reservoir.

The oxygen cycle is a biogeochemical cycle involved in the circulation of the oxygen atoms present in the earth through a series of intricate processes.

Answer 2

Answer:

As we all know, the air is a mixture of gases. The air in the atmosphere is composed of different gases, namely nitrogen (78%), oxygen (21%), argon and other trace gases (1%).

According to Earth’s history, oxygen gas was first introduced by cyanobacteria through the process of photosynthesis. Earlier, around 4.6 billion years ago, there was no life on planet earth because the atmosphere was devoid of oxygen. Later, there was a gradual increase in the oxygen levels and by the Carboniferous Period- 299 million years ago, oxygen reached the levels that were similar to today’s estimates.

Today, oxygen is freely available in the air, and also dissolved in water. It is the second most abundant gas present in the atmosphere and also the most common element of the human body. It plays an essential role in most life forms on Earth and also serves as an essential element in biomolecules like proteins, and nucleic acids.

Read on to explore more about oxygen, its uses, production, and how it is recycled in a cyclic pattern

Explanation:

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