Answer:
to make the uniformity in the world measurement
Explanation:
means everyone could measure 1 kg in world 1 kg only in any part of world so it is bought in action of standard measurement
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:
LIviing in the forest and eating bisons
Explanation:
Collision is most likely to cause earthquakes
