4.6: Seafloor Spreading

Continents and fossils fitting together/matching-up like puzzle pieces

glacier scars and other climate evidence from temperature

mountain ranges and rocks line up across continents

all of the above

Land reptiles are often found all over the world, showing that they can survive in most climates

Land reptiles cannot swim, so the continents must have been connected for them to get across

Land reptiles are never moved around the Earth by humans, so they must have travels to these continents by themselves

Land reptiles fossilized much better than other animal species

is the oldest rock on the earth.

is older than continental rock.

is younger than continental rock.

convergence

subduction

divergence

spreading