If george had 10 apples and he took away 2 he now has how many apples

Which tense allows for an event that began in the past to carry into the present moment in time

At one point in the memoir, the ship strikes a rock and begins to leak. how does diaz del castillo solve this problem? by tossing the fresh water overboard. by forcing the crew to pump out the water flooding by calling for to a portuguese diver. by praying to the almighty.

The wavelike properties of electrons are useful in ?