Aek (Hata Batak: ᯀᯀᯩᯂ᯲) ima sada mardomu anorganik dohot rumus kimia H2O. Zat kimia na so tabo, ndang marbau, jala hira na so marwarna do i. Aek manutupi hira-hira 71% sian parmukaan ni hasiangan, jala laut mambahen godangan (hira-hira 96,5%)[1]. Aek adong i hasiangan songon padat, cairan, dot gas[2]. I ma na mambahen udan marrumang udan dohot habut. Ombun di langit pe terdiri sian aek dohot es.

Aek

Pustaha

patota
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