What is the geographical problem on pretoria​

this is the answer

Explanation:

Pretoria was ranked as the most dangerous city in the country in 2020/21, with the highest crime score and lowest safety score. ... This is followed by assault and robbery, and property crimes like theft and motor vehicle theft

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because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.