Question

in this illustration, which site is an oceanic spreading center?
a
b
c
d

Explanation:

Oceanic spreading centers are areas where new oceanic crust is formed as tectonic plates move apart. Typically, they are associated with mid - ocean ridges and upwelling of magma. Site B shows the characteristic features of an oceanic spreading center with magma rising up and creating new crust as the plates separate.

Answer:

B. Option B