Regions of the world with an unusually large concentration of species are called

In what layer of the sun is energy transfers between atoms

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above