What key chemiclas do the mouth and stomach contain?

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.

Someone with these questions! pls 30 pts

Which type of pollution occurs when small particles of soil are suspended in water? a. radiological pollution b. chemical pollution c. physical pollution d. thermal pollution apex