प्रवाल द्वीप
praval dvip se abhipray hai, mukhy sthal se door sthit praval bhitti, jisaka oopari bhag sagar ke tal ke oopar dikhayi p data hai. ya vah praval-sanhati jo kisi sthal bhag se door sthit ho, aur jisaka shikhar samudr tal ke oopar utha ho.
- praval bhitti ke nirman ke pashchath sagar tal mean giravat ane athava mahasagariy tali ke utthan ke parinamasvaroop 'praval dvip' ki utpatti hoti hai.
- sapat praval bhitti ke oopar baloo ke jamavoan se nirmit tila bhi paya ja sakata hai, jo sagar tal se tho da hi ooancha hota hai.
- praval dvipoan ke oopar vibhinn prakar ki vanaspatiyaan vikasit ho jati haian.
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tika tippani aur sandarbh
sanbandhit lekh
varnamala kramanusar lekh khoj
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