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What are the consequences of the green house effect ?
Due to the green house effect, temperature on the earth will rise and the polar ice will melt. This will cause flooding of low lying areas. The rise in temperature on the earth, will affect monsoon and pattern of crop cultivation.
Fossil fuels can be made in the laboratory.
CNG is more polluting fuel than petrol.
Coke is almost pure form of carbon.
Coal-tar is a mixture of various substances.
Kerosene is not a fossil fuel.
Explain why fossil fuels are exhaustible natural resources?
Describe characteristics and uses of coke.
Explain the process of formation of petroleum.
The following Table shows the total power shortage in India from 1991-1997. Show the data in the form of a graph. Plot shortage percentage for the year on the Y-axis and the year on the X-axis.
|
1 |
Year 1991 |
Shortage % 7.9 |
|
2 |
1992 |
7.8 |
|
3 |
1993 |
8.3 |
|
. 4 |
1994 |
7.4 |
|
5 |
1995 |
7.1 |
|
6 |
1996 |
9.2 |
|
7 |
1997 |
11.5 |
Name two each of the exhaustible and inexhaustible natural resources.
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