0.2 Answer the given questions (6)
a) What are the various Constituents of air?
Write their uses.
1) Why are air, water and land considered to be
Valuable natural resources?
c) Why is it said that water is life?
Answers
Answer:
1)Air, water and land are natural resources i.e they are provided to us by nature. Land resources are considered to be a natural resource of utmost importance because they support natural vegetation, wildlife, human life, economic activities etc. Air is important for all the living organisms.
2)Fresh water is necessary for the survival of all living organisms on Earth. Our bodies are made up of about 60% water and we cannot survive more than a few days without it. Water is a precious substance that meets our physical needs while at the same time being of great spiritual importance to many people.
Explanation:
Explanation:
a.The various air constituents are- Nitrogen, Oxygen, Carbon Dioxide and argon. Now these constituents are denoted by a pie chart where Nitrogen Is 78% and Oxygen is 21%. The 1% includes Various gases with carbon dioxide and argon being the most abundant of them.
b.Air, water and land are natural resources i.e they are provided to us by nature. Land resources are considered to be a natural resource of utmost importance because they support natural vegetation, wildlife, human life, economic activities etc. Air is important for all the living organisms.
c.Fresh water is necessary for the survival of all living organisms on Earth. Our bodies are made up of about 60% water and we cannot survive more than a few days without it. Water is a precious substance that meets our physical needs while at the same time being of great spiritual importance to many people.