Rocks in the earth's mantle contain a higher percentage of and than do rocks in the earth's crust.
a. iron and silicon
b. iron and magnesium
c. silicon and oxygen
d. magnesium and oxygen

Which struggle to place between colonist and soldiers in boston on march 5, 1770

Most sociologists agree that: a. culture is central in shaping gender roles, but only in preliterate societies. b. biological factors have some influence, but cultural factors are more important determinants of gender roles. c. biological factors are influential in determining gender roles, but only in industrial or complex societies. d. biological factors only explain differences between men and women with regard to aggression and disease. e. there is no difference between the influences of culture or biology on the development of gender roles, as they are unpredictable.

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.