Answer:
Nika revolt or Nika sedition took place against Emperor Justinian I in Constantinople over the course of a week in 532 CE. They were the most violent riots in the city's history, with nearly half of Constantinople being burned or destroyed and tens of thousands of people killedon:
A) Egypt
They had very many domestic animals such as Camels. :)
A physical change chamges the substances apperance, but a chemical changes the chemical formula of a substance. Hope this helps!
Why did historians choose to study this topic the correct answer is b
