Bank erosion
Saltwater intrusion
Reduced biodiversity
All of the above Answer: d
Answer is Wrong!
Answer is Right!
Excessive sand mining in rivers can lead to:
- Bank erosion: When sand is removed from the riverbed, the riverbanks become unstable and can collapse. This can lead to flooding and damage to property.
- Saltwater intrusion: When sand is removed from the riverbed, the river becomes shallower. This can allow saltwater to intrude into the river, which can harm fish and other aquatic 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube