Please choose the correct answer to the question: A tight metal lid on a jar of pickles may loosen when it has been held in hot water. This is because the hot water causes the

Answer1: glass jar to contract Answer2: metal lid to contract Answer3: glass jar to expand more than the metal lid expands Answer4: metal lid to expand more than the glass jar expands

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