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The migration of the tribe across Africa likely contributed to the spread of iron technology, disseminating knowledge and tools to different regions. This technological diffusion could have facilitated advancements in metallurgy and improved the tribe's ability to adapt to new environments along their journey.
purifying drinking water
purifying dirty water
Most likely somewhere in Africa they do.
With the continual increase in technology, it is very likely that modernization will continue in the United States. Robotics and other 'hands free' technology will likely lead the way.
no
the climate of Africa most likely tropical wet, arid, and semiarid.
Africa, most likely.
no
Most likely Africa.
africa
In farming, poor-quality land that is likely to yield a poor return. It is the last land to be brought into production and the first land to be abandoned. Examples are desert fringes in Africa and mountain areas in the UK.