Mvura inokosha kuti photosynthesis uye kufema. Photosynthetic masero anoshandisa simba rezuva kupatsanura mvura yehydrogen kubva kuokisijeni. Hydrogen inosanganiswa ne CO2 (yakanyudzwa kubva mumhepo kana mvura) kuumba glucose uye kusunungura okisijeni. Masero ese anorarama anoshandisa mafuta akadaro uye oxidize hydrogen uye kabhoni kutora simba rezuva uye kugadzirisa mvura uye CO2 mukuita (kufema kwemasero). Mubvunzo: Ndeipi nzira iyo H2O yakakosha?
photosynthesis uye kufema