The statement that states have intangible boundaries is false. Your answer is B
Answer:
Virus's,
there would be stealing too
Explanation: The silk road was one of the largest roads built for trading across countries and as they traded the virus's were spreading there was also I really bad type of virus's but I forgot the name. I think you should research about it to get more points and i think this is history related not geography. Enjoy.
Answer:
the moon infront of sun
Explanation:
the moon moves infront of the sun very slowly and that how it interact the phases