Of these options, it's often observation that is most likely to result in an inaccurate prediction, since objectivity plays a role. It's helpful to have more than one person observe at once.
Fossil Fuels, Coal, and Gold
Eons: Hadean, Archean, Proterozoic
It transports items in and out of the cell
Gametogenesis, the production of sperm and eggs, involves the process of meiosis. During meiosis, two nuclear divisions separate the paired chromosomes in the nucleus and then separate the chromatids that were made during an earlier stage of the cell's life cycle.
