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