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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

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above