Rock that is trapped in the orbit of the sun?

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

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

What is any method of measuring the age of an object or event in years, such as using atomic half-life?