B looks and sounds correct, so I think your right dude!
The Triangular Trade is also known as the Transatlantic slave trade. This slave trade included goods being shipped from Europe (or later, North America) to Africa where they were exchanged for slaves with local chiefs, the slaves were brought to America to work on plantations and the product of their work was brought to Europe (or to North America from South America)
They walk, ride bikes, or ride caravans
Answer:
little rainfall
Mesopotamians depended on the annual flooding of Tigris and Euphrates rivers
this was similar to the Egyptians
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Answer:
yes, mars, jupitet, saturn, neptune, venus, mercury, Uranus and earth
explanation: there's only 8 planets