Essay on oxygen for class 1

Furthermore, we also need oxygen to produce energy which helps in doing our tasks efficiently. For instance, through oxidation, our food and liquid get converted into energy. It is also beneficial in repairing our cells and maintaining our health. Thus, we must ensure that we get an abundant supply of oxygen from nature.

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 known to us that water is made up of one-third of oxygen, i.e., water consists of 2 molecules of hydrogen and one molecule of oxygen. That means there is almost 0.001% of the oxygen present in water. Question 2. What happens if oxygen is removed from the ocean or any water?

Value of Oxygen and Water in Life/Earth Essay: The connection between oxygen, water, and our life is that the former two cannot exist without the prior, but the vice versa is possible. Our survival primarily depends on oxygen in the air we breathe and water.