What were the main uses the inca had for silver and gold?

The Inca were using silver and gold for ornaments and for decorating temples and palaces. Also it was used for a personal jewelry. Emperor Atahualpa had a throne of 15 karat gold. The Inca practiced basic mining in the Andes Mountains and that was a resource for their gold and silver. When Atahualpa was captured by the Spanish, the Inca filled a large room with gold and silver in return for his freedom.
The main uses the Inca had for silver and gold was decorating temples and palaces and for a personal jewelry.

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Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.