Q:You are presented with the question "Most people can survive only a few days without a combination of what?" and the following answer choices: - dehydration - hydrogen and oxygen - food and shelter - hydrogen chloride and water - scarce resources - solid, liquid, gas - lemonade and ice water - watercolor paints Now knowing that most people can survive only a few days without water and water combines hydrogen and oxygen, choose the best answer.
A:
hydrogen and oxygen