Answer:
Natural factors of population change can't be swayed by humans. So for an example of a natural factor take an Earthquake. As of right now we can only predict when Earthquakes will. Inevitably some things will still get damaged and that just can't be helped. An Artificial factor for population change is something specifically made by humans. For an example take a genocide. If some guy decides he wants to go on a killing spree, well all I can say is that is Definitely not natural. Hope that helped.
I don’t know never tried it
True. Water travels through soil as it makes its way to waterways, and it can leave behind mineral deposits that are harmful to the environment.
I am going to say true because Fever is very serious. It's hard to explain but if you don't cure fever fast or like right away, things can go wrong like death.
I hope this helps :)
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