TECTONIC PLATES AND DRIFTING OF CONTINENTS

https://www.youtube.com/watch?v=_5q8hzF9VVE

1. WHAT ARE THE FOUR PROOFS THAT SHOW THAT CONTINENTS ARE DRIFTING ?
2. HOW FOSSILS TELL US THAT CONTINENTAL DRIFTS HAVE TAKEN PLACE ?
GO THROUGH THE BELOW LINK AND ANSWER THE BELOW SET OF QUESTIONS

http://orhsstaff.conroeisd.net/Teachers/jnjohnson/FOV1-0024449C/Landform%20FormationPlate%20Boundaries.pdf

3. GIVE AN EXAMPLE OF DEEP OCEAN TRENCH ?
4. THE DIVERGENCE OF OCEANIC PLATES AND CONTINENTAL PLATES RESULT IN THE FORMATION OF DIFFERENT LANDFORMS. WHAT ARE THE DIFFERENT LANDFORMS FORMED IN THE TWO CASES.
5. WHEN A CONTINENTAL PLATE AND AN OCEANIC PLATE COLLIDES THE OCEANIC PLATE SINKS UNDER (SUBDUCTS) THE CONTINENTAL PLATE . WHY DOES THIS HAPPEN?
6. WHAT KIND OF PLATE MOVEMENTS HAVE RESULTED IN THE FORMATION OF HIMALAYAS
https://www.youtube.com/watch?v=HuSHOQ6gv5Y
https://www.youtube.com/watch?v=PDrMH7RwupQ
https://www.youtube.com/watch?v=d9bKXY0OMxc

7. You can see in the map below Penguins are found in Africa , Antarctica, South America and Australia. Penguins cannot fly ,neither can they swim hundreds of kilometres in the ocean , then how did these penguins reach these places

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CLIMATE AND NATURAL VEGETATION (CLASS 9)

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biology homework(8)

1. For which agricultural operation the following machinery are used ? 2. If you are a farmer is this of any use to you ?discuss how? 3. This is an innovation by an Indian farmer can you tell me in what way this innovation is helpful? 4. YUVRAJ the most expensive cattle in the world . Can you guess why? 5. Name the four oilseeds 6. Can you identify the three beverage crops ? A, B and C from top to bottom? 7. SEE THE ABOVE THREE PICTURE AND READ ALL THAT IS WRITTEN INTHE THIRD PICTURE TITLED ALL ABOUT EARTHWORMS YOU WILL BE ABLE TO CONNECT.... A. why is this place where the earthworms are reared covered ? B. This dark coloured soil you find in the bottom image is considered to be very fertile . How is this soil made fertile ? 8. A. why is the weed problem and chances of disease and pest less in drip irrigation? B. Why is fertilizer use efficiency higher in drip irrigation? C. How water ...

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