When purchasing a vehicle it is important to weigh out your decisions prior to your purchase. Safety is very important but it comes with a price. For example if you want airbags and anti-lock brakes you will need to buy a newer vehicle and that will cost you more money. If you want to drive a larger SUV that will protect you more because of its size you will be paying more for gas. It all comes down to a person's views on safety and personal freedoms...and of course cost of the vehicle. For me it will always boil down to cost and efficiency of the vehicle.
A confederation system of government is defined as the delegation of power done<em> by sovereign states for specific purposes. Is characterized by the lack of central authority.</em>
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The energy that is changing during a phase change is potential energy. During a phase change, the heat added (PE increases) or released (PE decreases) will allow the molecules to move apart or come together.