9. Certain slaves were more valuable than others because a. they knew how to grow rice
b. they were more skilled
c. they could read
d. they were more attractive​

How far is a geographic second? a.) around 100 feet b.) around 1,000 feet c.) around 5,000 feet d.) none of the above

What are cutting "steps" or terraces

Which of the following situations is an example of an internal migration? a. moving to mexico city, mexico b. moving to san diego, califormia c. moving to toronto, canada d. moving to london, england