Which of the following bodies of water is noted for being one of the world’s largest irrigation systems?
a.
the caspian sea
b.
lake balkhash
c.
the kyzylkum canal
d.
the karakum canal

Trade routes emerged along which coast when arab and indian traders from around the indian ocean mixed with the bantu people from africa's interior? a. swahili coast b. guinea coast c. drakensberg coast d. namib coast