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BIOGRAPHY OF RATAN TATA

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Ratan Tata full name is Ratan naval Tata he was born on 18 December 1937 in Surat and his father name was naval tata and his mother name was sonu tata and he was brought up in his grandmother had done thise. His grandmother name was Nawaz Bai Tata she had adopted ratan tata and thus he was brought up as an adopted son. Ratan tata father had a second marriage with simone tata rata tata did his early education at cathedral and john kennel school in Mumbai. Apart form this he studied structural engineering from Cornell university, America in the year 1962. Finally, i did the advanced management program from harvard university in 1975.
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INSIDE OUR EARTH

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Earth our homeland is a dynamic planet. It is constantly undergoing changes inside and outside. What do you think about what is inside the earth and what is the earth made up of ? INTERIOR OF THE EARTH  The earth is like on onion, just like you keep peeling of layers of an Onion, the earth is also divided into different layers. The  uppermost layer of the earth is known as the crust. Now the uppermost means that there will either be an ocean somewhere or a continent somewhere. So in the continental area,you can say that the height of the crust is 35 km and in the oceanic area ,the height of the crust is 5 km. Now,if we talk about its structure,then the continental region is made up of silica and aluminium.hence it is known as (si- al) and the oceanic region which is the crust is made up of silica and magnesium and is known as (si-ma) .  The next is that the mantle is found just below the earth's crust. It is divided into three part. first is the crust, second is the mantl...
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OUR CHANGING EARTH

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LITHOSPHERIC PLATES the earth's crust is made up of many large and same small, rigid, irregularly shaped plates. These are like slabs that hold up the continents and the ocean floor. These are called lithospheric plates. ENDOGENIC FORCES AND EXOGENIC FORCES Th force which occur in the interior of the earth are called endogenic forces. And the forces which are generated on the surface of the earth are called exogenic force. Endogenic forces sometimes produce sudden motion and sometimes slow motion .               VOLCANO  1. Volcano are openings in the earth's crust that spew lava,ash and gases when tectonic plates move, they creat cracks in the earth's crust that allow magma to move the surface. 2. Volcano can be seen on lond or below the ocean, and can range in size from small vents to lorge mountain. 3. There are different types of volcanoes. Active volcanoes are those that have either erupted recently or are expected to do so in the near future...
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THE EARTH AND THE SOLAR SYSTEM

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 CELESTIAL BODIES  Meaning whatever you see in the sky whether it is a planet or a satellite be it the sun or the moon Meaning whatever is in the night sky we are shining like celestial beings bodies are called. Some celestial bodies are very big and hot . They are mad up of gases. STARS They have their own heat and light of we talk about the sun , it is also a star.  CONSTELLATION You must have ever seen that there is a group of stars in tha sky, we call it constellation.     Ursa major or big bear is one such constellation . PLANET Meaning whatever obits around the sun are called planets. And there are eight main planets that revolve around the sun . Name of eight planets  1 mercury  2 Venus 3 earth 4 mars 5 Jupiter  6 saturn 7 Uranus  8 Neptune  THE SOLAR SYSTEM  Your eight planets and satellites, along with celestial bodies and meteorites,all these things together from our solar system . 
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