Please choose the correct answer to the question: One hundred grams of water and 100 grams of vegetable oil are heated in identical containers at 70°C for 5 minutes. Their temperatures at the end of 5 minutes are different due to the difference in which property?

Answer1: volume Answer2: specific heat Answer3: conductivity Answer4: chemical energy

Answer format: answer1/answer2/answer3/answer4
Answer: answer2