What are three ways that archaebacterea are different from eubacterea

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

What is the importantence of the carbon and nitretan cycles in the environment

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?