However, it is an undeniable fact that many of the minerals that are becoming in short supply on dry land are either dissolved in large quantities in the seawater, or are present in deposits on and under the seabed.
Ngoku ke, ngumba ongenakukhanyelwa owokuba izimbiwa ezininzi zihanyiswa kancinci ngoku kumhlaba owomileyo kuyenzeka ukuba zinyibilike ngobuninzi kumanzi olwandle okanye zikhona kwidiposithi phezulu nangaphantsi komandlalo wolwandle.