17.Which among the following about the coral reefs are correct? 1. It is a significant part of the ecosystem 2. It acts like the sanctuary to the marine life 3. It protects the coastline from erosion Choose the correct option from the codes given below : [A] 1 & 2 [B] 1 & 3 [C] 2 & 3 [D] 1, 2 & 3 Show Answer
Answer: [D] 1, 2 & 3 Note: Coral reefs are an important part of ecosystems. It functions as a sanctuary for marine life. It protects the coast from erosion.
