What are the main four layers of the earth and what material do they have?

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.