Question
What percentage of oxygen and nitrogen is present in the air?
Solution
About 20% oxygen and about 78% nitrogen is present in the air.
What percentage of oxygen and nitrogen is present in the air?
About 20% oxygen and about 78% nitrogen is present in the air.
Write a note on how forests influence the quality of our air, soil and water resources.
What are the two things which are essential for all forms of life on the earth?
What is biosphere?
What are the physical components?
What is biotic component?
Does there exist any relationship between the climate and biotic components? If yes, explain with example.
What percentage of oxygen and nitrogen is present in the air?
Name the pollutants by which industries pollute air.
How is balance of carbon dioxide and oxygen maintained in the environment?
What is the percentage of carbon dioxide in the atmosphere of Venus and Mars?
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