Cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells
Because Yuki started off with a bowl of ice right. She sat in the room and watched the ice melt, the ice melts when the temperature is to hot then she heats up the water on a burner and it vaporizes when the water gets to hot.