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how to do questions 2-4

How many types of rock can form from the rock cycle

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 an eon in the time scale? phanerozoic proterozoic archean all of the above