Human sentences may contain abstract ideas embedded in other ideas. That is, human sentences may involve a process called:

Over 90 percent of the population shows left-hemisphere dominance for speech

Indicate whether the statement is true or false.

The most accurate summation of declines in information-processing skills in older adults is that they are

a. both inevitable and universal. b. neither inevitable nor universal. c. inevitable but not universal. d. universal but not inevitable.