<span>According to the FBI's crime clock, a murder occurs in the United States every 35 minutes and There is a robbery every 1 minute and 30 seconds and a vehicle theft once every 40 seconds.</span>
Hello,
the answers to this one is:
A - constant warfare
C - overpopulation
F - lack of access to waterways
The invention of the zero made mathematics B. Easier to write. It was invented by a Hindu mathematician called Varamihara and many others.
Roman Numerals, roads & highways , underfloor heating