If oceanic ridges in the Pacific are more active, then it is expected that the ridges are:a
steeper in profile.
b. narrow.
c. wide.
d. the only areas to find transform faults.
ANS: C
The widest oceanic ridges tend to be in areas that are most active. Fast spreading centers do not build
up in profile because the time it takes for the diverging seafloor to create new crust. The Pacific ocean
has more active spreading centers than the Atlantic. Information can be found in the section The
Topography of Deep-Ocean Basins Differs from That of the Continental Margins.
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