What activity can occur without the use of energy

While eating cake crystal watched kisha place her hand in the frosting and rub it in her hair afterwards crystal did the same with her piece of cake crystal displayed

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins