Do plants such as ferns need to break down glucose in order to obtain energy

Which describes radioactive decay of a substance

Using the periodic table, determine which material is most likely a good conductor

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.