Number 10 science plss help me

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.

What does the symbol (–hfus) indicate in a phase change?

How do you determine the percent yield of a chemical reaction