Answer: I think B . Like the second one
Explanation:
it is because of they raise the animals then we will have more food . Milk and help from the animals .
"A. labelling food supplies" and "B. monitoring water supplies" are both public health measures that have helped fight disease. Vaccinations are essential to public health.
The study of human populations is called Demography. Sorry it’s late.
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Human,increase population and Overharvesting
