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प्रश्न
Explain giving any two reasons why the deltas of the river Mahanadi suffer from occasional floods.
उत्तर
The deltas of the river Mahanadi suffer from occasional floods because of :
- Large scale silting and the consequent change in the river courses.
- Indiscriminate felling of trees in the catchment areas of the river has complicated the flood problem.
- High tide at the time of flood aggravates the flood situation.
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संबंधित प्रश्न
The northern plains of India do not freeze in winter.
Study the climatic data provided in the table below for a city A in India and answer the questions that follow :
| City | T/R | J | F | M | A | M | J | J | A | S | O | N | D |
| A | T | -8 | -3 | 2 | 7 | 15 | 18 | 17 | 12 | 10 | 5 | 0 | -7 |
| R | 10 | 8 | 8 | 5 | 5 | 5 | 13 | 13 | 8 | 5 | 0 | 5 |
T = Mean monthly temperature in degree Celsius (°C).
R = Average monthly rainfall in millimeters (mm).
(i) What is the cause of low rainfall in station A?
(ii) Calculate the range of temperature of this station.
Explain how the following factor affect India’s climate :
Southern Oscillation
Continental climate is experienced by ______.
In the upper layers of the troposphere ______ are found.
The unifying factor of the climate of India is ______ winds.
What is meant by 'normal lapse rate'?
The South-east trade wind blow from over ______land in summer.
Name the factors affecting the climate of India.
Give reasons for the following topic:
The relief of India has a great bearing on the climate.
