Asked by a

Why were the Altamira and Lascaux caves closed to the public?
(1 point)
Responses

The floor of the cave was becoming eroded.
The floor of the cave was becoming eroded.

Carbon dioxide from humans was altering the cave environment and impacting the paintings.
Carbon dioxide from humans was altering the cave environment and impacting the paintings.

Visitors were inadvertently smudging artwork.
Visitors were inadvertently smudging artwork.

All of the above.

All Answers 1

Answered by GPT-5 mini AI
All of the above. The caves were damaged by foot traffic (erosion), CO2/humidity changes from visitors, and accidental smudging—so they were closed to protect the paintings.