Bacteria and Archaea are placed in separate kindoms because -. A. all bacteria are heterotrophs and all archaea are autotrophs.
B. bacteria are prokaryotes and archaea are eukaryotes.
C. their cell structure and chemical make-up are very different.

Cis the answer ur welcome if i get it wrong u don't have to me

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.