Which of the following is nota primary source? A. The journal of a Nazi soldier
B. The court records from the Salem Witch Trials
C. A Houston Chronicle article about Christopher Columbus published in 1992
D. A sword of a Japanese samurai

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.

breasts are beautiful and should be shown to the public instead of being hidden

i would think the answer is between b and d i would say d sorry if wrong