Which position shows spring in the Northern hemisphere?

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.

Which tool is least in predicting weather

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+