Roughly, how many mutation occur every time one of our cells divide

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Using meiosis, the sporophyte produces spores that are .

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.