29. 6. 2009
Včela a nektár
Včely premieňajú nektár kvetov na med, pričom z neho vylučujú vodu. Nektár obsahuje približne 70% vody, získaný med len 17%. Koľko nektáru musia včely nazbierať, aby získali 1kg medu?
Albanian | Arabic | Bulgarian | Catalan | Chinese | Croatian | Czech | Danish | Dutch | English | Estonian | Filipino | Finnish | French | Galician | German | Greek | Hebrew | Hindi | Hungarian | Indonesian | Italian | Japanese | Korean | Latvian | Lithuanian | Maltese | Norwegian | Polish | Portuguese | Romanian | Russian | Serbian | Slovak | Slovenian | Spanish | Swedish | Thai | Turkish | Ukrainian | Vietnamese | (Get this widget)