Sodium has the atomic number 11. how many electrons are in a sodium ion, which has the symbol na+?

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

What best explains the inability for life to exist in earth early atmosphere

Which feature of a human community is similar to a niche in a biological community