(Resource depletion) can be reasons.Logical formLearned from2 sentences. A size may pertain-to a (depletion zone).Logical formLearned from2 sentences. A process may produce dead zones of (oxygen depletion).Logical formLearned from2 sentences. Dead zones can be constituted-of-or-filled-with (oxygen depletion).Logical formLearned from2 sentences. Microbes may devour droplets with depletion of oxygen.Logical formLearned from2 sentences. (Depletion allowances) can be generous.Logical formLearned from2 sentences. An (oxygen depletion) may kill shrimp.Logical formLearned from2 sentences. Dams may cause depletions.Logical formLearned from2 sentences. Depletions can be in (salmon populations).Logical formLearned from2 sentences. Primary-care doctors may undergo a depletion.Logical formLearned from2 sentences. A (north side) of a US-city may see a depletion of primary-care doctors.Logical formLearned from2 sentences. A depletion of stores may be knowned as hitting a wall.Logical formLearned from2 sentences. (Government documents) may deal with depletion of an (ozone layer) of the atmosphere.Logical formLearned from2 sentences. (Cash reserve) may undergo a depletion.Logical formLearned from2 sentences. (Fuel sources) may undergo a depletion.Logical formLearned from2 sentences.