The most important fact that helped scientists connect the discovery of the skeleton "Lucy" in Africa to modern humans was that it
A. had long arms and short legs.
B. was only 3 1/2 feet (1.1 m) tall.
C. was 3.2 million years old.
D. walked upright.

Aging populations can be a problem for developed countries because a) there are fewer younger workers coming into the workforce. b) most older workers demand top-level pay and full benefits. c) many older people are skilled in manufacturing, not technology. d) younger workers cannot find jobs when older people work longer.

Emily works at a perfumery. she extracts 3 liters of essential oil for perfumes in 2 days. 1: assuming emily extracts essential oil at a constant rate, we can graph this relationship with time in days along the x-axis and quantity of oil in liters along the y-axis. the slope of the line representing this relationship is __ 2: a point on this line that corresponds to the amount of oil emily extracts after 5 days is (5,

Which statement best explainsthe role of government according to john locke