While on a road trip, shelley observed the gasoline tank gauge drop from the full mark to empty. what most likely happened to the energy from the gasoline in the tank?

The correct answer is: Converted from one form of energy to another form

Explanation:

The conversion was from potential energy that was deposited form the gas to kinetic or mechanical energy. It was being used to turn on the motor in the vehicle. As well, the heat of that energy created from the combustion of the gas was free to the nearby parts of the automobile and air levitation the heat energy of both.  

loess contribute to the flooding of rivers by providing the silt that is washed into rivers and constantly raises the bed of the rivers. this elevation above the surrounding flood plains and dams allow the river to overwhelm the dams and flood thousand of square miles of neighboring flood plains.

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.