Congressional acts and the Constitution
Your voltmeter and your teacher are both right, but the water analogy of electricity can only go so far. One big drawback is that, unlike with water, there is no absolute voltage. .... Wherever you put the black lead is defined as "0V". .... flowing (i.e. the circuit is broken) you will not get this change in voltage.
Answer:
the answer is Polaris 40° above the northern horizon.
E (I am sorry if I got this answer wrong).