posted by stephanie .
How many kilometers will an average plate have moved during the lifetime of
an 80yrs old person?
80 years X blank per year=blank cm= blank km
Are you asking about a dinner plate or a tectonic plate?
Tectonic plates move apart at approximately 2.5 cm per year.
(80 * 2.5} / 100,000 = ?
80 years x ____ per year = ____ cm = ____ km
80 years x 4in per year = 800 cm = .008 km