Which of the following topics could be the subject of a scientific investigation? O A. the effects of habitat destruction on Bigfoot OB. the morals and ethics of rabbits the effects of a dog's age on its ability to learn O D. the extinction of unicorns​

Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?