Sentence Correction (SC) | Re: Marine Iguanas, those crusty old mariners that ply the oceans, using a

Marine Iguanas, those crusty old mariners that ply the oceans, using a kind of global positioning system perform their navigational feats like their human counterparts , but unlike humans, who rely on signals beamed from satellites, these reptiles appear to sense the earth's magnetic field.

a) Marine Iguanas, those crusty old mariners that ply the oceans, using a kind of global positioning system perform their navigational feats like their human counterparts,

b) Marine Iguanas, those crusty