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प्रश्न
Describe the work of plants as agents of weathering.
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उत्तर
Plants protrude their roots through joints in the rocks and as the plant grows, the joints in the rocks get widened. The widening of joints allows water to seep through. Seepage of water may cause chemical weathering or frost action. Decay of plant remains like flowers, leaves, etc., result in the formation of organic acids which may react with minerals present in the rocks. The leads to chemical weathering.
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संबंधित प्रश्न
From encyclopedias and the Internet, find out the different types of soil found in India. Discuss the importance of these soils for crops cultivated in our country. You should form groups in class for this activity.
List any three factors that affect weathering.
Distinguish between the following:
Sheet erosion and gully erosion.
What do you understand by the following term:|
Exfoliation
What do you understand by the following term:|
Desilication
Rewrite the following sentence, choosing the right word from the options given below:
_______is produced by the decayed organic material, including dead leaves, stems roots, living bacteria, fungi, worms, and other organisms.
Distinguish between the following :
Erosion and Weathering.
What do you understand by the following term:
Weathering
It is weathering that is responsible for bio-diversity on the earth. How?
Is weathering essential as a pre-requisite in the formation of soils? Why?
