 Howlaha baniaadamnima waxey u baahan yihiin heer aqoonsi ah ee qiimeynta shaqada gargaarka caafimaad, sidaas darteedna ogolaanshaha dhammaan kooxaha iskasoo horjeeda iyo bulshooyinka ee bixinta taageera caafimaad, iyo sidoo kale xeerarka howlgalada ee madaxbanaanida iyo eexasha laaanta. 