Answer:
They can show if the place is open or closed it also tells you what time it close and open.
Explanation:
It split the Empire into two separate halves>
Answer:
vaccination
Explanation:
Louis Pasteur had been working to find a vaccine that would cure cholera in chickens. His lab assistant gave an older, weaker strain of the disease to the birds. When these birds did not die Pasteur began to rethink his ideas a came up with our current method of administering vaccinations.
Answer:
D.
Explanation:
The most important feature of the medieval period is that the samurai (warrior-administrators) replaced the court government in managing the local government. Because the court government had no police force, bands of samurai gained power when the Heian government neglected the administration of the provinces.
