It seems likely that, even if socioeconomic conditions are similar, children who grow up in a bilingual environment still suffer from slower language development

Over the course of a lifetime these new cells may make up___% of the total population of cells.

Fill in the blank(s) with the appropriate word(s).

One consequence of the large-scale use of intelligence testing in the United States was that

a. assessment was seen as an evil that differentiated people into the haves and the have-nots. b. the public came to accept that intelligence tests could differentiate people in terms of socially important characteristics. c. a large section of the population became disillusioned with testing and launched a social movement against the use of intelligence testing. d. researchers strove to develop tests that could be used on an individual basis, and moved against group testing.