Question

लिक्विड जनरली हैव लोअर डेंसिटी एस कंपेयर्ड टो सॉलि़ड बट यू मस्ट हैव ऑब्जर्व्ड अट आइस फ्लोट्स ओं वॉटर फाइंड आउट व्हाय ​

Answer 1

Explanation:

A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups. Wikipedia

Answer 2

solve it yourself because it's your question