I believe that crude oil is derived from plants because it is made up of a liquid that is found beneath the earth surface so I guess you could go with plants it is not an animal or rock or salt so.. could be brainliest not 100% sure so if you are not sure go with your gut
Because you are never 100% precise during the work, so it's best and most accurate answer is always the average of more trials. basically the more you do, the more accurate the answer shall be
An element bonds chemically to fill it's outer valence electron shell, when that occurs it becomes stable.
Answer:
Information that must be specified is the temperature of the solution,Amount of solute,Amount of solvent,and Identity of the solvent.
Explanation: