In the surface current map below, the red arrows represent what type of surface current?
a. hot
b. cold
c. warm

Which of there factors contributed most to us westward expansion in the second half of the nineteenth century?

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

The inner planets mercury, venus, earth, and mars were formed by