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Distinguish between stratosphere and troposphere.
Write a short note on the continent – Antarctica.
What is 'Atmosphere'? Why atmosphere is so important?
Define global warming. State the factors responsible for it.
What are the major effects of water pollution?
Write short note on Atlantic Ocean, Artic Ocean and Indian Ocean.
Which is the second largest continent after Asia? Mention four features of this continent.
Write is the main reason of air pollution.
What percentage of earth's water found in oceans?
Why nitrogen considered as a significant gas?
State the percentage of the earth which is covered with water.
Write the name of Indian research stations in Antarctica.
Write the color used for the following: water bodies, mountain, plateau and for plains.
Which two continents lie entirely in the Southern and Northern Hemisphere?
Which two oceans surround South America on the east and the west?
Name the oceans that surround the continent North America.
Why Carbon dioxide (CO2) is considered as an important constituent of air?
Why oxygen is so important?
Name the three main components of the environment.
Why do mountaineers carry oxygen cylinders with them?