What was one important effect of the Mongol conquest of China? O A. China's Silk Road was completely destroyed.
B. Chinese artistic traditions were mostly lost.
O C. Travelling across Asia became much easier.
O D. Wars between China and its neighbors became frequent.

the answer is d. give brainliest if right.

ps is this 7th grade civics?

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.

a. "how old man winter was driven back” and “ormuzd and arimanes"