Giselle is using a spreadsheet to measure each employee's efficiency and effectiveness. This is known as the employee's

Identical twins reared apart still have substantial correlations between their IQ scores, suggesting a role for _______________, but the correlations are lower than those recorded for identical twins reared together, suggesting a role for ___________

a. environment; genes b. genes; genes c. genes; environment d. environment; environment

Which statement about the human immunodeficiency virus (HIV) is true?

A) In developing countries, about 30 percent of all new HIV infections affect women. B) In South Africa, 30 percent of all pregnant women are HIV-positive. C) About 30 percent of new HIV infections occur in developing countries. D) Untreated HIV-infected expectant mothers pass the virus to thedeveloping organism30 percent of the time.