(Question)
If gas is heated then that gas will expand, and hydrogen chloride is a gas. Given these facts, what will expand when heated among the following options: - chlorofluorocarbons - water vapor - graptolites - hydrogen chloride - deoxyribonucleic acid - flow of electrons - Calcium carbonate - an object
(Answer)
hydrogen chloride

(Question)
Polyps usually reproduce asexually, and cnidarians have two basic body forms, medusa and polyp. Given these facts, what can reproduce asexually among the following options: - trees - roots - cnidarians - the Sun - Most plants - humans - dogs - orchids
(Answer)
cnidarians

(Question)
Thick fur can be used for keeping warm, and if Arctic foxes are in too cool weather, they warm up by their thick fur. Given these facts, how do foxes warm up among the following options: - ligt - coat - fur - skin - two - water - fats - air
(Answer)
fur