A (polymer membrane) may react with hydrogen.Logical formLearned from4 sentences. Two-thirds may pertain-to a hydrogen.Logical formLearned from4 sentences. A trigger can be in (hydrogen bombs).Logical formLearned from4 sentences. Hydrogen may be spreaded among galaxies.Logical formLearned from4 sentences. Lots of (hydrogen gas) may be spreaded among galaxies.Logical formLearned from4 sentences. Hydrogen may be distributed.Logical formLearned from4 sentences. A strategic bomber may carry some (hydrogen bombs) with some kilograms of plutonium.Logical formLearned from4 sentences. (Hydrogen sulphate) may be emitted by algae.Logical formLearned from4 sentences. (Hydrogen peroxide) may have qualities.Logical formLearned from4 sentences. A suspect may ask an amount of (hydrogen peroxide solution).Logical formLearned from4 sentences. Liquid hydrogen may be stored at a temperature.Logical formLearned from4 sentences. Hydrogen may be produced from fossil fuels.Logical formLearned from4 sentences. Bottles can be constituted-of-or-filled-with hydrogen.Logical formLearned from4 sentences. (Hydrogen batteries) may supply electricity.Logical formLearned from4 sentences. A hydrogen may be needed.Logical formLearned from4 sentences.