Plains may have ridges.Logical formLearned from2 sentences. A person may look at ridges.Logical formLearned from2 sentences. Ridges may resemble be generated wind.Logical formLearned from2 sentences. Figure may show a set of ridges.Logical formLearned from2 sentences. Views may show (mountain ridges).Logical formLearned from2 sentences. Ridges can be electronic.Logical formLearned from2 sentences. Ridges may pertain-to backs.Logical formLearned from2 sentences. Ridges may be leave_behinded.Logical formLearned from2 sentences. Summits can be constituted-of-or-filled-with ridges.Logical formLearned from2 sentences. Hills can be constituted-of-or-filled-with ridges.Logical formLearned from2 sentences. Ridges may face some sides of a draw.Logical formLearned from2 sentences. Crests may pertain-to mid-ocean ridges.Logical formLearned from2 sentences. Crestlines can be constituted-of-or-filled-with underwater ridges.Logical formLearned from2 sentences. Scientists may note ridges on a surface.Logical formLearned from2 sentences. Ridges may pertain-to shells.Logical formLearned from2 sentences.