"Biorock technology" is talked about in which one of the following situations?
- ARestoration of damaged coral reefsCorrect
- BDevelopment of building materials using plant residues
- CIdentification of areas for exploration/extraction of shale gas
- DProviding salt licks for wild animals in forests/protected areas
Explanation
"Biorock technology" (also known as mineral accretion technology) is a method used for the restoration of damaged marine ecosystems, particularly coral reefs. It involves placing a submerged metal structure on the seabed and passing a low-voltage electrical current through it. This causes minerals naturally present in seawater (like calcium carbonate and magnesium hydroxide) to accrete and precipitate onto the structure, forming a white, limestone-like material. Corals and other marine organisms can then attach to this structure and grow significantly faster than they would naturally, aiding in the rehabilitation of degraded reefs. This technology helps to provide a stable substrate for coral growth and enhance their resilience.
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