Depressions may be separated by ridges.Logical formLearned from3 sentences. Some ridges may reach heights of some meters.Logical formLearned from3 sentences. Gaps can be in ridges.Logical formLearned from3 sentences. A (sea floor) may spread_apart at mid-oceanic ridges.Logical formLearned from3 sentences. Ridges can be in a crust.Logical formLearned from3 sentences. Ridges can be a (surface expression) of (thrust faults).Logical formLearned from3 sentences. Ridges can be degraded.Logical formLearned from3 sentences. A fabric can be constituted-of-or-filled-with ridges.Logical formLearned from3 sentences. Persons may follow a line of ridges.Logical formLearned from3 sentences. A system can be constituted-of-or-filled-with (mountain ridges).Logical formLearned from3 sentences. Ridges may pertain-to a massif.Logical formLearned from3 sentences. (Dune ridges) may run to a coastline.Logical formLearned from3 sentences. (Dune ridges) can be stranded.Logical formLearned from3 sentences. Ridges can be constituted-of-or-filled-with faces.Logical formLearned from3 sentences. Ridges can be constituted-of-or-filled-with granite.Logical formLearned from3 sentences.