Q 1.

With reference to prehistoric cave paintings and their conservation, consider the following statements:

1. Sulawesi is an Indonesian island known for prehistoric cave art.
2. El Niño can contribute to wildfire risk by increasing temperatures and reducing rainfall in some regions.
3. Wildfires can damage cave paintings only when flames directly touch the artwork.
4. Smoke deposits and heat-induced deterioration can threaten archaeological heritage.

Which of the statements given above are correct?