Wednesday, 31 May 2017
Monday, 15 May 2017
Tuesday, 9 May 2017
GLOBAL WARMING
FIND OUT THE ANSWERS OF FOLLOWING QUESTIONS IN THE LINK OF VIDEO GIVEN ALONG:
(A) What do you understand by the term 'Global warming'?
(B) What are the various causes of it?
(c) Discuss some ways to prevent this Global warming:
Monday, 8 May 2017
Air Pollution
FIND OUT THE ANSWERS OF FOLLOWING QUESTIONS IN THIS VIDEO:
1. How are the human beings polluting the air?
2. Name the gases which are released due to Industries.
3. How does Acid Rain occur?
4. Which gases are released due to vehicle running on roads?
5. What do you understand by the term Smog?
6. What are CFC’s? What are their sources of production? How harmful are these to the environment?
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