Which of the following describes the iron-working experience in sub-Saharan Africa?
a. Did not experience working with copper before iron-making.
b. Did not work iron, only imported it.
c. Used bronze extensively, but only for tools.
d. Ample resources of pure iron ore are available in sub-Saharan area.
e. Never used a hot-air iron-smelting process.
Question 2
What was a long-term economic result of the peace treaty signed between the Southern Song and the Jin dynasty?
a. The economy of the Southern Song was devastated.
b. The Southern Song were forced to pay a huge tribute to the Jin.
c. A sharp rivalry developed between the dynasties over control of the Silk Road.
d. With the tribute from the Southern Song, the Jurchen began to buy goods from south China, which helped to rebuild the economy there.
e. With the huge revenues collected from the Southern Song, the Jurchen began to build up their military.
Convergence among tropical alpine plants: (a) Senecio trees on Mount Kilimanjaro, Africa
iron
Working out
(a) Chimpanzees and (b) bonobos likely diverged from a common ancestor due to allopatric speciation
Iron-deficient red blood cells.
Humans have evolved, beginning in Africa