the countries of the world are in the middle stages of demographic transition, where CBR (crude birth rate) remains high. More than half

About half

Less than half

One third of

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

20 the compound al(nh3)2 has atoms of nitrogen.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million