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How many attempts are you allowed on homework assignments?

What did Ernest Rutherford use to estimate the size of the nucleus?

The energy produced by burning gasoline in a car engine _____.

What term is used for a change in wind speed and direction with height that often helps develop rotation in severe thunderstorms?

A  reaction that releases more energy than it put into it is called:

One end of a rope is fixed to a post. What type of wave is produced if the free end is quickly raised and lowered on time?

The total equivalent resistance of a 3 ohm resistor and a 6 ohm resistor in series is

Which of the following particles has the smallest mass?

How many neutrons are in the nucleus of iodine-131 (atomic number 53)?

When discussing the vertebrae, you would be learning about the ____________ skeleton.