Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 General Knowledge Geography (World Geography) Biogeography
Which among the following is one of the Ideal condition for the formation of Coral Reefs
1
Temperature between 15 to 20 degree Celsius
2
Shallow water up to 200 meter
3
Salinity of 45 ppt and above
4
Should not be near river mouths