Search form. Recovery after Bariatric Surgery. Most people recover very quickly after weight loss surgery and feel ready to go back to normal activities after a few days. It is important to remember though that you have had a major operation and to take it steady for a few weeks.
A rock on top of a mountain contains POTENTIAL ENERGY. The reason for this is that potential energy means that it has the potential to become another form of energy, like kinetic. If a rock is sitting on a mountain, it's not moving. Once it moves, it has KINETIC ENERGY. For example; I'm sitting on top of a mountain.
It is within these pore spaces that oil, gas and water reside. The rock containing the hydrocarbon is called the reservoir rock, and can be a variety of rock types, but is typically a sandstone or limestone. This is due to the relatively high porosities these rock types possess.