plate tectonics

mountain range in the middle of the ocean

• seafloor spreading

• mid-ocean ridge

• reversed polarity

• magnetic field

when magnetic objects orient themselves to point north

• reversed polarity

• seafloor spreading

• mid-ocean ridge

• normal polarity

the seafloor is flat

• true

• false

the closer the crust is to a mid-ocean ridge the oldest the oceanic crust be

• true

• false

seafloor is the mechanism that explains Wegener's hypothesis of continental drift

• true

• false

the farther from the ridge the sediment becomes less

• true

• false

Answer explanation

the farther you move from the ridge, more sediments will form which make the seafloor smooth

In Earth, the magnetic field can not be change

• true

• false