What tool was used to determine the nucleus of an atom?

Which answer lists the fundamental forces in order from strongest to weakest

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

What causes most sediment to wash or fall into a river