Which industry countries like south africa and botswana build strong economies

In a word mining, Gold and Diamonds mainly for South Africa.

I thought Botswana would be the same as South Africa. It is mining, but it surprises me to find out their major export is coal. Botswana has a very good reputation of having a tough government but one free of corruption. The judicial effectiveness is high, especially for the region.

well, paralell is parallel. i am providing links to .

hope this !

a series circuit is one with all the loads in a row. there is only one path for the electricity to flow. if this circuit was a string of light bulbs, and one blew out, the remaining bulbs would turn off.

unlike in series circuits, a charge in a parallel circuit encounters a single voltage drop during its path through the external circuit. the current through a given branch can be predicted using the ohm's law equation and the voltage drop across the resistor and the resistance of the resistor.

a parallel circuit has certain characteristics and basic rules: a parallel circuit has two or more paths for current to flow through. voltage is the same across each component of the parallel circuit.

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