Which statement accurately compares archaebacteria and eubacteria?
1. both take different shapes and sizes.
2. both are always heterotrophs.
3. both can sometimes live in extreme environments.
4. both are known as "true" bacteria.

Why do oceanic plates tend to subduction when colliding with a continental plate

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel