Answer the discussion question in complete sentences: "If the world's ocean currents stopped moving, California's climate would get warmer but Europe's climate would get colder... Why would California and Europe experience opposite temperature changes?

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present