Question

Write one cause of decreasing population in some countries.​

Answer 1

Answer:

reduction over time in a region's population can be caused by sudden adverse events such as outbursts of infectious disease, famine, and war or by long-term trends, for example sub-replacement fertility, persistently low birth rates, high mortality rates, and continued emigration.

hope it will help

Answer 2

Answer:

Not being able to give birth in cold countries beacause babies needs climate