The great Pacific garbage heap is the answer.
Answer:
Population pyramids are used by demographers as a tool for understanding the make-up of a given population, whether a city, country, region, or the world. ... A Population Pyramid is a graph that shows the age-sex distribution of a given population. It a graphic profile of the population's residents.
These factors make most of the Balkans unsuitable for farming
:dry summers, mountains, and soil quality
source:https://quizlet.com/12632887/unit-8-eastern-europe-and-russia-flash-cards/
The last one is erosion I know that for sure but the other idk
