Respuesta :
Since pollution inexsitent and wolves, coyotes, producers and consumers can't interfere in human population, the answer is B.
Only hunger and diseases could control human population.
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Option B is correct.
In the past, human populations were controlled by: disease and famine
In the past times, several life threatening diseases were present, but no proper medicines were present, so people died from those diseases. Similarly, proper disaster management techniques were also not invented in early times, so a lot of people died due to famines, floods and droughts.