After reaching North America, humans migrated to South America.
Unless you have some classified the answer is no. United Stated and Russia are not in an official Cyber War, although I would not be surprised if we would soon find out they are going at one another through those means.
Answer:
The answer is below.
Explanation:
Constructive is when two plates are being pulled by convection currents.
Destructive is when an oceanic plate is destroyed by the thicker continental plate.
A collision is when two continental plates push against each other and buckle.
Conservative is when two plates slide past each other along a fault line.
Answer:
Sulfur: gunpowder and medicines
copper: coins and jewelry; and in coins
diamond: drill bits and saws
Explanation:
