What sort of analysis would this statement produce

Resperation is a way to release carbon back into the atmosphere

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 is a period in the paleozoic era? devonian cambrian permian all of the above