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प्रश्न
Why are coal and petroleum called fossil fuels?
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उत्तर
The coal is formed by compression of Carboniferous age forests between impervious sedimentary rock-folds and the petroleum is the stored ‘body oil of dinosaurs of the Jurassic period in between the impervious rocks within the poses of shale rocks. So these are called the fossil fuels on account of being buried within the rocks like the fossils for a long period under the pressure of tectonic forces.
संबंधित प्रश्न
Give a reason for the following:
Patagonia is a desert in the rain shadow of the Andes.
Bring out the differences between tropical and temperate deserts in terms of climate and vegetation.
What do you understand by a ‘natural resource’?
How does an air conditioner help?
How is groundwater formed?
What is the hydrological cycle?
What is the extension of prairies?
Give reasons for the following:
The Steppe climate of the southern hemisphere is never severe rather it is moderate.
Long Answer Question:
What is the mode of rainfall in the hot desert region?
Give a geographical reason:
People in the monsoon region are mainly engaged in agriculture.
