The life expectancy of people with Down syndrome is approximately ______ years

At about what age do most children learn to use the "pincer grasp," which allows them to use their thumb and forefinger to "pinch" a small object to pick it up?

a. 6 months of age b. 12 months of age c. 18 months of age d. 24 months of age

Francine has just purchased a copy of G. Stanley Hall's 1922 book Senescence for herself. This indicates that she is likely very interested in the topic of

a. mental illness. b. language. c. bioecology. d. old age.