Ridges can be curvilinear.Logical formLearned from3 sentences. A process may occur at mid-ocean ridges.Logical formLearned from3 sentences. A plain may be broken by some ridges.Logical formLearned from3 sentences. A portion may pertain-to ridges.Logical formLearned from3 sentences. A zone can be constituted-of-or-filled-with (rock ridges).Logical formLearned from3 sentences. Ridges can be high.Logical formLearned from3 sentences. Tops can be constituted-of-or-filled-with ridges.Logical formLearned from3 sentences. (Ocean crust) may be produced at ridges.Logical formLearned from3 sentences. (Sulfide deposits) can be at ridges.Logical formLearned from3 sentences. Ridges may be separated.Logical formLearned from3 sentences. Flames may appear on a ridge.Logical formLearned from3 sentences. A ridge can be above town.Logical formLearned from3 sentences. Ridges may pertain-to a backcountry.Logical formLearned from3 sentences. A ridge can be to the west.Logical formLearned from3 sentences. Ridges may undergo importance.Logical formLearned from3 sentences.