Answer:
from radioactive elements and leftover heat from earth's formation. i think
Explanation:
Most work in mines. Central and west africa have some of the richest diamond, silver and iron mines in the world.
This would be true. Biowarfare has been common as far back as people vaulting victims of sickness over walls of enemy lands, and chemical and nuclear types of warfare, while more recent, are still considered major weapons of mass destruction.
1.B.The city was located in the Andes Mountains of South America.
2.C.Region 3
