Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Mashoko anokosha: Makungwa enyika ane ndarama. Kuwanda kwegoridhe kwakayerwa muAtlantic neNortheast Pacific kuri 50<unk>150 femtomol/L kana kuti 10<unk>30 zvikamu pa quadrillion (inenge 10<unk>30 g/km3). Kazhinji, uwandu hwegoridhe mumasampuli ekumaodzanyemba kweAtlantic nepakati pePacific hwakafanana (~50 femtomol/L) asi hunenge husina kunyatsosimba. Mvura dzeMediterranean dzakadzika dzine huwandu hwakanyanya hwegoridhe (100-150 femtomol/L) hunoenderana neguruva rinosundwa nemhepo uye/kana nzizi. Pa10 zvikamu pa quadrillion makungwa ePasi aizobata matani 15 000 endarama. Iyi nhamba yakaderera nematanho matatu pane yakataurwa mumabhuku asati asvika muna 1988, zvichiratidza zvinetso zvokusvibiswa nemashoko ekare.  Mubvunzo: Kuwanda kwegoridhe kunoyerwa nemayuniti api?
50<unk>150 femtomol