(Crude oil) may undergo a depletion.Logical formLearned from4 sentences. Depletion of an (ozone layer) may expose some areas of the world to doses of (ultraviolet radiation).Logical formLearned from4 sentences. A problem can be with (vitamin depletion).Logical formLearned from4 sentences. Raw materials may undergo a depletion.Logical formLearned from4 sentences. Substances may cause an (ozone depletion).Logical formLearned from4 sentences. Numbers may undergo a depletion.Logical formLearned from4 sentences. Savings may undergo a depletion.Logical formLearned from4 sentences. Cash may undergo a depletion.Logical formLearned from4 sentences. A depletion can be ecological.Logical formLearned from4 sentences. Savings may undergo a depletion.Logical formLearned from4 sentences. Response can be to depletion.Logical formLearned from4 sentences. A depletion can be systematic.Logical formLearned from4 sentences. Data can be on (ozone depletion).Logical formLearned from4 sentences. A depletion can be earned.Logical formLearned from4 sentences. Levels can be constituted-of-or-filled-with depletion.Logical formLearned from4 sentences.