Answer:
can the answer be more than one? id say both b and d.
Explanation:
by domesticating them, they were able to easily get milk and such from the animal without killing it yet or it foghting back. and also the example of domesticated dogs used to herd sheep. Maybe its just d if it can only be one but id say both b and d
They perform the most essential tasks
Nothing cause i don't have this question
The invasions of the Roman Empire from the East were from the Turks and the Ottoman Empire (C). This led to the fall of the eastern portion of the Roman Empire.