Balance the equation

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.

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions