The age at which stuttering tends to recede is around ____.
a. 2 years
b. 5 years
c. 9 years
d. 10 years
Question 2
Studies investigating the causes of communication disorders suggest that ____.
a. there is no genetic basis for language problems
b. left-handed people are more likely to develop language impairments
c. communication problems are often tied to poor parental efforts to stimulate language development
d. there is an interaction of genetic influences, slowness of brain maturation, and possible minor brain lesions
Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
A levallois core from Kapedo Tuffs, Kenya dates about 130,000 years ago.
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
School age (late childhood): 6–12 years, or to puberty.
Women who reported one, two, or three or more major life events in the past 5 years were ...
Cyanobacteria from 850 million years ago (Photo 2)