He walked to his pack. He'd brought four pieces of plywood, one foot by two feet, marine grade, half an inch thick.

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.

the main reason that the constitution did not proclaim all men to be free and equal is because of the issue of slavery.

d) post-world war i

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else