A national United States study indicated that three of four online adolescent social network users have posted at least one comment to a friend's blog

About half of all the cases of dementia seen in the elderly can be attributed to Alzheimer's disease

Indicate whether the statement is true or false.

One-word sentences used by children under 2 years old to express their behaviors and reactions are called ______

a. cephalocaudil phrases c. pseudosentences b. abbreviated speech d. holophrases