Answer:
The magnetic field of the earth was discovered by Carl Friedrich Gauss in 1835.
<span>Spain's conquest of central Mexico and the Andes made Spain the wealthiest and most powerful nation because of the abundance of gold and silver which it gained. This large amount of gold and silver it was able to obtain was sent to its national treasuries allowing it to become a threat to any other European competition.</span>
Answer: Southeast Asian City Model
Explanation: should help
