According to the text, large slave plantations were _____ efficient than farms without slaves because (among several reasons) _______.
a. more, the intensity per hour with which slaves worked was high
b. more, large plantation owners used political power to control the best land
c. less, free men worked harder than slaves
d. less, slaves frequently sabotaged production
Question 2
Which of the following statements about the percent of the population aged 25 years and above completing high school in 2000 is most accurate?
a. African Americans graduate at a rate about 10 percentage points less than whites, and Hispanics graduate at a rate about 30 percentage points less than whites.
b. African Americans and Hispanics graduate at the same rate that whites do.
c. Hispanics graduate at the same rate as whites, but African Americans graduate at much lower rates.
d. Hispanic and black males graduate at the same rate as white males, but Hispanic and black females graduate at much lower rates than white females.
Species of the algal genus Dinobryon not only photosynthesize, but are also efficient predators of b
Albatrosses brood young chicks until they are large enough to thermoregulate.
Constructing large motifs from smaller ones
The digestive system: functions of the small intestine and large intestine (colon)
Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many
The large, white flowers of giant saguaro cactus (Carnegiea gigantea) produce sweet nectar. The flow