Question
What is soil?
Solution
Soil is a mixture. It contains small particles of rock of different sizes, humus and microscopic life.
What is soil?
Soil is a mixture. It contains small particles of rock of different sizes, humus and microscopic life.
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?
Mock Test Series
