write a composition of 400 words value of oxygen in world
Answers
Answer:
Oxygen is one of the main gases present in the Earth's atmosphere. 21% of the air present in our ecosystem is oxygen. The process of respiration requires oxygen by humans and animals. Plants also decrease oxygen during the night.
During the daytime, the trees and plants breathe carbon dioxide and take fresh oxygen. It maintains the supply of oxygen in the air. Oxygen is important for the functioning of the human body. It works as a fuel for the body and keeps it energized. Oxygen is also used for various industrial purposes and recreational activities.
Water is also needed for the existence of living creatures on earth. It is mainly used for the purpose of drinking and it is important for the health of humans, animals and plants. It helps to remove the waste from the body. It requires this for proper functioning of brain cells. It is helpful in digestion and regulates body temperature. It is used for many other purposes, including cleaning, washing and sanitation. It is also used for agricultural and industrial purposes.
Interestingly, while oxygen and water make life possible on earth. These could be very dangerous. Excess of oxygen can lead to loss of vision, muscle turbulence and cough. Similarly, consuming more water than the required amount can affect the kidney. This can also be the cause of hyponlinemia, in a situation where the level of salt and sodium in the body actually decreases.
2 - Essay on Value of Oxygen and Water in Life/Earth - 300 Words
Importance of Oxygen and Water in Life
Introduction
The main reason why Earth's atmosphere is different from other planets is the presence of water and oxygen on the planet. These two elements are abundant in our planet. We have constant supply of water from various sources such as rainfall, river, drains, oceans and oceans. Oxygen is constantly filled in the atmosphere by plants and trees around us.
Importance of oxygen
Oxygen is one of the basic requirements for our survival. We need oxygen to breathe. Our body emits oxygen and releases carbon dioxide. Our respiratory system requires constant supply of fresh oxygen. Oxygen acts as fuel for our body. This enables our cells to generate energy from the food we eat. Oxygen is also used for industrial use. Many industries require oxygen to run different machines. Some medical treatments also require oxygen. Apart from this, the use of oxygen is also used to carry out various recreational activities.
Importance of water
We need to drink enough water to lead a healthy life and lead. Water is also required for various other purposes. We need it for cooking, cleaning, washing, sanitation, agriculture, and industries. Water creates an essential part in the construction of various industrial items which we require in our regular life. Water is also used to produce electricity without which we can not imagine our life.
Animals also require water for their survival. They primarily use it for the purpose of drinking. In the summer months, they soak themselves in water to overcome the scorching heat. Water serves as the housing of aquatic organisms.
Plants should also be fed regularly for growth and survival. Water helps them bring nutrients from the soil which is essential for keeping them green and healthy.
Conclusion
Thus, both oxygen and water are used by us directly and indirectly. These elements maintain ecological balance on earth and enrich biodiversity.
Answer:
Oxygen is one of the main gases present in the Earth's atmosphere. 21% of the air present in our ecosystem is oxygen. The process of respiration requires oxygen by humans and animals. Plants also decrease oxygen during the night.