Question

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

Answer 1

Are you asking about a dinner plate or a tectonic plate?

Answer 2

plate tectonics

Answer 3

Tectonic plates move apart at approximately 2.5 cm per year.

http://pubs.usgs.gov/gip/dynamic/understanding.html

(80 * 2.5} / 100,000 = ?

Answer 4

80 years x ____ per year = ____ cm = ____ km

Answer 5

80 years x 4in per year = 800 cm = .008 km