Magnetic reversals
a.) provide strong evidence for sea-floor spreading.
b.) have never occurred during geologic time.
c.) confirm the existence of subduction zones.
d.) cause the movements of tectonic plates.

What is associated with mid-ocean ridges?

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname

The earth's internal process which drives seafloor spreading is