Electrons have a) a positive charge and relatively low mass b) a negative charge and relatively high mass c) a neutral charge and relatively high mass d) a negative charge and relatively low mass

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.