Historically, mining has been important in the development of which two mountain regions? a)blue ridge and ridge and valley b)blue ridge and appalachian plateau c)appalachian plateau and ridge and valley d)coastal plain and ridge and valley

ayatollah khomeini can best be described as the leader who declared iran to be an islamic republic.

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.