C. new tech.....................................................................................
<em>They carved questions into these bones and burned them to find out about future or current events</em>
<em><3</em>
Answer:
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders
Explanation: hope this helps
its because the traits mix when two animals reproduce together and sometimes babies are born with small defects that are unnoticeable and when they reproduce that defect could get amplified
War, the systems and national bank
