महासागर
mahasagar prithvi ke lagabhag 71 pratishat bhag par phaile hue haian. vishv ke mahasagaroan evan sagaroan ka kshetraphal 367 miliyan varg kilomitar hai, jo mangal grah ke kshetraphal ka do guna tatha chaand ke kshetraphal ka nau guna hai. vishv ka lagabhag 98 pratishat jal sagaroan mean, lagabhag 2 pratishat nadiyoan, jhiloan, bhoogart tatha mitti mean hai. jal ki bahutayat ke karan prithvi ko 'jal grah' kaha jata hai. yadi prithvi ke uchchavach ko sagar mean dalakar samatal kar diya jae to poori prithvi par sagar ki gaharaee lagabhag 2.25 kilomitar hogi. jal ke karan hi prithvi par jivan sambhav ho saka.
prakar
prithvi ke 70.8 pratishat par mahasagar evan sagar phaile hue haian. vishv mean paanch mahasagar haian, jinake nam is prakar haian-
- prashaant mahasagar (pesifik oshan)
- atalaantik mahasagar ya aandh mahasagar (atalaantik oshan)
- hiand mahasagar (iandiyan oshan)
- arkatik mahasagar (arkatik oshan)
- aantarkatik mahasagar athava dakshini mahasagar (aantarkatik oshan)
mahasagaroan ke adhikatar tal bad mean bane hue haian, jinaki ayu ath karo d varsh se kam hai. yooreshiya tatha aphriki pletoan ke ek doosare ke nikat ane tatha takarane se aj ke mahadvipoan tatha mahasagaroan ka svaroop bana.
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tika tippani aur sandarbh
sanbandhit lekh
varnamala kramanusar lekh khoj
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