Migration changes the population of a place, therefore, the distribution of the population is uneven in the country. Migration increased the slum areas in cities which increase many problems such as unhygienic conditions, crime, pollution etc. so, unmanaged migration can be a Great threat in population management.
Waning cresent and waxing cresent
Answer:
They began to meander less, there was less erosion, channels narrowed, more pools formed, more riffle sections, all of which were great for wildlife habitat. The rivers changed in response to the wolves.
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