What preserved the art of Altamira until modern day?

Question

(2 points)
• the Paleolithic inhabitants sealed off the cave once all the walls and ceilings had been painted
• the Paleolitic inhabitants covered their artwork with a layer of animal fat to protect the paintings
• a natural collapse at the end of the Upper Paleolithic period
• an intentional collapse by the people of the Upper Paleolithic period

Answer 1

The correct answer is:

• the Paleolithic inhabitants sealed off the cave once all the walls and ceilings had been painted.

This sealing helped to protect the paintings from deterioration, preserving them until modern discovery.