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Umumbu

Mayelana Wikipedia

I-Substance yi material, noma yi matter, okuyiyo esetshenziswa ekwakheni into ethize. Ama-substance izinto ezi physical ezibonwayo, ezithintekayo, noma ezikalekayo. Zenziwe yi elemental part eyodwa noma amaningi. Insimbi, yi aluminiyamu, amanzi kanye nomoya ngumzekelo wama substances.

I-Steam ne liquid izinhlobo ezimbili ezihlukene ze chemical substance eyodwa, amanzi.