Which statement is most correct: According to new research by ...

[Shelles]

Which statement is most correct: According to new research by Olmstead and Rhodes in 2008, productivity gains in cotton:
 a. included a nearly 10 percent per annum increase in labor productivity.
  b. were accomplished by mechanical innovations.
  c. were accomplished by biological innovations.
  d. were entirely due to the depletion of Eastern soils, which drove production to the Southwest.

Question 2

Which of the following statements about the 2000 average wages of blacks and Hispanics compared to whites is most accurate?
 a. African Americans earn about the same was whites but Hispanics earn about 70 of what whites earn.
  b. African Americans earn about 70 of what whites earn, while Hispanics earn about 75 of what whites earn.
  c. Hispanics earn about the same was whites but African Americans earn about 70 of what whites earn.
  d. African Americans and Hispanics earn less than half of what whites earn.

[billybob123]

Answer to Question 1

c. were accomplished by biological innovations.

Answer to Question 2

b. By 2000, African Americans earn an average of about 70 of what whites earn, while Hispanics earn an average of about 75 of what whites earn.

[Shelles]

Excellent

[patma1981]

Gracias!