Please choose the correct answer to the question: In 1783, Europe was unusually cold and foggy. The rain was acidic. Which event most likely caused the unusual climate in Europe that year?

Answer1: A logging company deforested millions of acres in South America. Answer2: A major earthquake and tsunami changed the path of the Gulf Stream. Answer3: A major volcanic eruption released ash and sulfur gas into the atmosphere. Answer4: An increase in the use of automobiles released more carbon dioxide into the atmosphere.

Answer format: answer1/answer2/answer3/answer4