Objects 1 and 2 attract each other with a electrostatic force of 72.0 units. If the charge of Object 1 is doubled AND the
charge of object 2 is tripled AND the distance separating
Objects 1 and 2 is halved, then the new electrostatic force
will be units.

i cant see the choices man

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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your answer is, orbit around the nucleus