True it is in a particular time in the past
Answer:Ural, mountain range forming a rugged spine in west-central Russia and the major part of the traditional physiographic boundary between Europe and Asia. Extending some 1,550 miles (2,500 km) from the bend of the Ural River in the south to the low, severely eroded Pay-Khoy Ridge, which forms a 250-mile (400-km) fingerlike extension to the northern tip of the Urals proper, the mountains constitute the major portion of the Uralian orogenic belt, which stretches 2,175 miles (3,500 km) from the Aral Sea to the northernmost tip of Novaya Zemlya.
Explanation:
Endemic diseases result in a decreasing population, so with that said you can rule out choices B and D.
Among the two left, letter A is the most appropriate answer. Not all endemic diseases have an effect on the number of children a population will have. So if we are speaking about endemic diseases in general, the answer is:
A. Endemic diseases can result in decreasing population numbers: many people die form diseases, and others move away from or avoid moving to places where diseases are rampant.
