I think the answer is <span>A significant reduction in the population of the young occurs because they are more vulnerable to infectious diseases spread by unsanitary conditions.
In my opinion, unsanitary conditions are often man-made. For example, if a person does not clean his surroundings, this would cause bacterias from infecting the place. Then it affects the person living in that area, then spreads because through oral or sexual contacts.
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Once heat from the sun penetrate the Earths atmosphere, the heat is circulated as warm air rises and cold air sinks,this process is called <u>convection.</u>
:)
Possibly chandragupta?!?!
Just took the test the answer is definitely C. <span />