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Ask QuestionPosted by Raju Thakur 7 years ago
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Abhyast Singh 6 years, 11 months ago
Yogita Ingle 7 years ago
Disaster us a calamity often causing sudden, widespread and serious damage to life and property. A natural disaster is an event that is caused by the natural forces of the earth and results in great damage and possibly loss of life. Earthquakes, Tsunamis, Volcanic eruptions, Floods, Droughts, Cyclones, Landslides and Forest fires are forms of natural disasters.
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Yogita Ingle 7 years ago
(i) Cheap : The books produced were very cheap as compared to earlier books.
(ii) Resemblance with manuscript : Printed books resembled greatly the written manuscripts in appearance and layout. The metal letters imitated the ornamental handwritten styles.
(iii) Handwork : Borders of the books were illuminated by hand, with foliage and other patterns.
(iv) Role of painting : Illustrations were painted. The books printed for the elites had space for decoration.
(v) Different painting schools : Different painting schools prevailed and a person could choose the design and decide on the painting school that would do the illustrations exclusively for him.
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Gaurav Seth 7 years ago
Disadvantages of dams
→salination of farmland
→waterborne diseases
→High cost of construction
→Poor habitat for aquatic life
→Restricts natural flow
→Loss of land
→increase earthquake intensity
→excessive sedimenatation
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Ipsita Singh 7 years ago
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Yogita Ingle 7 years ago
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Physical Change |
Chemical Change |
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In a physical change, the molecules are rearranged while their actual composition remains same. |
In a chemical change, the molecular composition of a substance completely changes and a new substance is formed. |
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Some example of physical change are freezing of water, melting of wax, boiling of water, etc. |
A few examples of chemical change are digestion of food, burning of coal, rusting, etc. |
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Physical change is easily reversible i.e original substance can be recovered. |
Chemical change is irreversible i.e. original substance cannot be recovered. |
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In physical change, no new substance is formed. |
A chemical change is always accompanied by one or more new substance(s). |
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Pari Sain 7 years ago
1Thank You