Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Inenge 86% yegasi rinobuda muzvivako izvi imethane, ine kabhoni dhayokisaidhi uye nitrogen shomanana. Zvinhu zvinokandwa kazhinji kazhinji zvinenge zviri zvinhu zvakanyorovera zvakanyunguduka mumvura izvo zvingava zvine musanganiswa wemunyu, acids uye mahydrocarbon akasiyana-siyana.  Mubvunzo: Zvinhu Zvinobviswa Zvinosanganiswa Sei?
musanganiswa wemunyu, acids uye mahydrocarbon akasiyana-siyana.