Degradation of tanks

Q. Why is desilting of tanks done?

1. For good water
2. To not break the flow of water
3. Streams erode minerals off rocks and soil and deposit them as silt in tanks.
4. None of the above

Q. Why is desilting of tanks done?

1. For good water
2. To not break the flow of water
3. None of the above
4. Streams erode minerals off rocks and soil and deposit them as silt in tanks.