During an avalanche the potential energy of the snow on the mountain is converted into kinetic as the snow rushes downward.
Because if they run out they will take a long time to remake themselves
The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct :)
I do not go to Preston Oklahoma