Amanzi yinto enekhemikhali enefumola yekhemikhali engu- engu-H2O. Imoletyhuli yamanzi ine-oksijini kunye nee-athom ezimbini ezinxibelelene ngekhonkco elibizwa ngokuba zii-covalant bond. Amanzi lulwelo aye abe kwiimo zamaqondo athile obushushu, kodwa loo maqondo asoloko ehamba ngokwemeko ethile yoMhlaba apho aye aqine, abe ngumkhenkce aphinde kwakhona abe ngumphunga (umphunga wamanzi). Amanzi asoloko eba ngamanzi xa ekufuphi kwiindawo ezinamanzi. Xa amanzi ephantsi kwento ebizwa ngokuba yi-nomenclature adla ngokuba likhonkco leekhemikhali. Ihadrojine monoksayidi ligama lobunzululwazi lamanzi, elingasetyenziswa kakhulu.
umthetho wamanzi,nengxaki zamanzi[tshintsha | edit source]
uqikelelo lwabantu abayihafu kumazwe aphucukileyo baye banenywe okuba namanzi aselwayo ngomnyaka wama-1970–2000 Water politics is politics affected by water and water resources. For this reason, water is a strategic resource in the globe and an important element in many political conflicts. It causes health impacts and damage to biodiversity.
1.6 billion people have gained access to a safe water source since 1990. The proportion of people in developing countries with access to safe water is calculated to have improved from 30% in 1970 to 71% in 1990, 79% in 2000 and 84% in 2004. This trend is projected to continue. To halve, by 2015, the proportion of people without sustainable access to safe drinking water is one of the Millennium Development Goals. This goal is projected to be reached.