Bokmakierie-sang; Dalende withaai-syfers; Baber-asemhaling
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Bokmakierie-sang; Dalende withaai-syfers; Baber-asemhaling
Kelkiewyn amper endemies in Suider-Afrika
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Kelkiewyn amper endemies in Suider-Afrika
Suikerbekkies, skilpad-asemhaling en waterpype
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Suikerbekkies, skilpad-asemhaling en waterpype
Is dit ‘n slang of akkedis? Homeotermies of poikilotermies?
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Is dit ‘n slang of akkedis? Homeotermies of poikilotermies?
Sal ‘n supernova die einde van die aarde beteken?
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Sal ‘n supernova die einde van die aarde beteken?