5. State the importance of oxygen, nitrogen and carbon dioxide present in the atmosphere.
Answers
Answer:
oxygen helps people to survive.it promotes combustion. nitrogen helps in nitrogen fixation and in provides nutrients. CO2 helps plants to synthesise food and it is the primary food source for all living.31-Mar-2020
Answer:
Answer is written in the explanation section. Please check.
Explanation:
The presence of oxygen, nitrogen and carbon dioxide in the atmosphere is very important. We all are aware of the vital role that air plays in our survival. Air which is also commonly known as the atmosphere is a mixture of various gases. The most important among these gases are Oxygen, which is essential for respiration. Animals and humans cannot survive without oxygen. Nitrogen is the second most important gas which is a source of protein in all living organisms and hence helps in their growth. Carbon dioxide is another gas which is used by plants to make food.