According to the Law of Conservation of Mass, if we performed this experiment and found a starting mass of 120g , predict the ending mass . Justify your prediction with an explanation . (CRMS3 )

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

0.09 moles of sodium sulfate in 12 ml of solution

Which of the following electromagnetic waves can create ions?