There are two phases of cell division, and the cell division phase which is called . During interphase, the cell does not divide; it in size and its DNA. During the Mitotic phase the cell progresses through four stages (, , and ) before splitting into two cells which have the same number of .

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

i thinking chemical change