I would go with b? That just in my opinion tho
In human populations, ethnic hatred and civil war can cause two populations to become reproductively isolated as happened in Rwanda where the Tutsi and Huttus blamed each other for the problems of their nation and with the result of no friendly relation between the two and a resulting genocide.
A Limestone rock thats my answer
Answer - Compare population growth problems in more developed countries and less developed countries: More developed countries try to reduce the birth rate, but are unable to. Less developed countries have high death rates.
Answer:
they r the far away from the equator
Explanation: