By using a siesmograph.
provide evidence for sea-floor spreading
Rocks in the seafloor are moving one place to another
provide evidence for sea-floor spreading
Magnetic field direction.
true
seafloor spreading
Not really but sea floor sediments thickness increase with increased distance from spreading centers which is good evidence. Other evidence such as magnetic reversals, temperature, dating methods provide the best evidence of seafloor spreading
type your anwser here
by the plate tectonic and the ocean bridges
Because of the stripes at the sea floor which are magnetic minerals
provide evidence for sea-floor spreading
Rocks in the seafloor are moving one place to another
because
Because of the stripes at the sea floor which are magnetic minerals
provide evidence for sea-floor spreading
Mountains, Valleys, Sea Floor Spreading, Trenches in the Ocean!
provide evidence for sea-floor spreading