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Consider the following statements about the process of river rejuvenation.
1. Restoring the natural flow and health of a river.
2. The process involves removing pollutants and cleaning up riverbeds.
Which of these statements is/are correct?
- a)Both (1) and (2)
- b)2 only
- c)1 only
- d)Neither of them
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements about the process of river rejuvenat...
A positive movement occurs when there is a depression of land or a sea level rise. This will submerge the lands along the coast, drown' the valleys, and weaken the river's erosive power. The flow is checked, and large quantities of sediment will be dropped.
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Consider the following statements about the process of river rejuvenat...
River Rejuvenation
The process of river rejuvenation involves the upliftment or rise of land, which leads to the erosion of the riverbed and the deepening of the valley. This process occurs due to various reasons such as tectonic activity, climate change, or sea level changes.
Statement 1: A positive movement occurs when there is a depression of land or a rise in sea level.
This statement is incorrect. A positive movement occurs when there is an upliftment or rise of land, not a depression. This upliftment leads to the rejuvenation of rivers and the deepening of valleys.
Statement 2: This will submerge the lands along the coast, drown' the valleys and strengthen the erosive power of the river.
This statement is incorrect. When the land uplifts, it leads to the deepening of valleys and the erosion of the riverbed, not the drowning of valleys. The erosion of the riverbed leads to the strengthening of the erosive power of the river.
Therefore, the correct answer is option A, which states that statement 1 is correct, and statement 2 is incorrect.
Conclusion
River rejuvenation is a natural process that occurs due to the upliftment or rise of land. This process leads to the deepening of valleys and the erosion of the riverbed, which strengthens the erosive power of the river. It is essential to understand the process of river rejuvenation to manage and conserve our natural resources effectively.
The process of river rejuvenation involves the upliftment or rise of land, which leads to the erosion of the riverbed and the deepening of the valley. This process occurs due to various reasons such as tectonic activity, climate change, or sea level changes.
Statement 1: A positive movement occurs when there is a depression of land or a rise in sea level.
This statement is incorrect. A positive movement occurs when there is an upliftment or rise of land, not a depression. This upliftment leads to the rejuvenation of rivers and the deepening of valleys.
Statement 2: This will submerge the lands along the coast, drown' the valleys and strengthen the erosive power of the river.
This statement is incorrect. When the land uplifts, it leads to the deepening of valleys and the erosion of the riverbed, not the drowning of valleys. The erosion of the riverbed leads to the strengthening of the erosive power of the river.
Therefore, the correct answer is option A, which states that statement 1 is correct, and statement 2 is incorrect.
Conclusion
River rejuvenation is a natural process that occurs due to the upliftment or rise of land. This process leads to the deepening of valleys and the erosion of the riverbed, which strengthens the erosive power of the river. It is essential to understand the process of river rejuvenation to manage and conserve our natural resources effectively.
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Consider the following statements about the process of river rejuvenation.1. Restoring thenatural flow and health of a river.2. The process involves removing pollutants and cleaning up riverbeds.Which of these statements is/are correct?a)Both (1) and (2)b)2 onlyc)1 onlyd)Neither of themCorrect answer is option 'A'. Can you explain this answer?
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