What was the impact of the climate change catastrophe that fell upon the Sahara around 3000 BCE?

Increasing temperatures lead to a stronger evaporation over the sea; said condensations rain down onto dry land. Especially in summer, heavier rainfalls occur in the central Sahara. As reported, there are also torrents, which have supposedly put the dry valleys four meters under water.

Explanation:

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the american revolution was by the middle and upper class, and the french was by the lower and middle class.

genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.