(Question)
You are presented with the question "what will expand when heated?" and the following answer choices: - chlorofluorocarbons - water vapor - graptolites - hydrogen chloride - deoxyribonucleic acid - flow of electrons - Calcium carbonate - an object Now knowing that if gas is heated then that gas will expand and hydrogen chloride is a gas, choose the best answer.
(Answer)
hydrogen chloride

(Question)
You are presented with the question "What can reproduce asexually?" and the following answer choices: - trees - roots - cnidarians - the Sun - Most plants - humans - dogs - orchids Now knowing that polyps usually reproduce asexually and cnidarians have two basic body forms, medusa and polyp, choose the best answer.
(Answer)
cnidarians

(Question)
You are presented with the question "how do foxes warm up?" and the following answer choices: - ligt - coat - fur - skin - two - water - fats - air Now knowing that thick fur can be used for keeping warm and if Arctic foxes are in too cool weather, they warm up by their thick fur, choose the best answer.
(Answer)
fur