About ________ percent of all Americans will marry at some point in their life

Broadbent believed that our attention is selective because

a. we want to make as little effort as possible. b. not all information is important to us, and so we filter out the unimportant and leave only the essential. c. the brain mechanisms involved in conscious processing of information have a limited capacity. d. humans tend to avoid information that is threatening to the self. e. the environment contains more information than any processor could possibly absorb.

About ___ of our DNA does not encode ___

a. 99%, RNA b. 97%, RNA c. 97%, proteins d. 90%, regulatory proteins