Preschoolers gain an average of how many pounds per year?

The analogy between the brain and the digital computer may be better than any we

have had before (such as a switchboard) because (a) we understand computers (b) digital computers work according to electrochemical impulses (c) both the brain and digital computers work with binary data (that is, 0s and 1s) (d) we can program computers

According to statistics reported in the text, about one-third of high school seniors report "current" smoking

Indicate whether the statement is true or false