Eukaryotic cells are large complex cells with a nucleus
eukaryotic cells
The time required for a typical atom in the oceanic plate to complete the plate tectonic cycle is about in excess of two hundred fifty million years in which this is required for it to developed and to be fully complete for it to fully finish the plate tectonic cycle.
Hydrogen ion, or H-, creates water when combined with a hydroxide ion, OH+.
The 'formula' for water is H20, two hydrogens and an oxygen.
I hope that I helped but if this still makes no sense, or if I haven't explained it as well, then please don't hesitate to ask further questions. Thank you.
