Ridges can be gentle.Logical formLearned from12 sentences. Ridges can be undersea.Logical formLearned from12 sentences. A person may have a (ridge vent).Logical formLearned from12 sentences. A ridge can be thin.Logical formLearned from12 sentences. Ridges can be odd.Logical formLearned from12 sentences. Crust may well_up at ridges.Logical formLearned from12 sentences. A person may have a (ridge axis).Logical formLearned from12 sentences. A ridge can be at right angles.Logical formLearned from12 sentences. A (ridge segment) can be given.Logical formLearned from12 sentences. (Fracture zones) may cut_across a ridge.Logical formLearned from12 sentences. A (ridge axis) can be elevated.Logical formLearned from12 sentences. A (ridge axis) may act.Logical formLearned from12 sentences. A ridge can be exposed.Logical formLearned from12 sentences. Ridges can be corky.Logical formLearned from12 sentences. A set can be constituted-of-or-filled-with ridges.Logical formLearned from12 sentences.