Question

how do magnetic stripes of iron in ocean rock provide evidence of seafloor spreading? they show when earths poles reversed. they show how the density of the seafloor has changed. they reveal a matching pattern on either side of the ridge. they reveal differences in the mineral composition of newly created rock.

Explanation:

Seafloor spreading creates new oceanic crust. As magma cools and solidifies, iron - rich minerals align with Earth's magnetic field. When Earth's magnetic poles reverse, it creates a pattern of magnetic stripes. These stripes are symmetrical on either side of the mid - ocean ridge, providing evidence of seafloor spreading.

Answer:

They reveal a matching pattern on either side of the ridge.