The term living refers to a thing or things that once was living or was and passed and non living thing is anything that was never alive basically was just their but couldn't do such mover or talk ex:in order for somthing to be classified as living must grow and develop and use energy and reproduce be made up of cells respond to its environment and adapt to living things easier to understand when seeing them in person but thats the answer let me know if I helped peace ✌ ☺
Chemical properties are very useful in identifying substances. However, unlike physical properties, chemical properties can only be observed as the substance is in the process of being changed into a different substance.
