An isotope can be in (hydrogen burning zones) of stars.Logical formLearned from2 sentences. Sour gas may contain (hydrogen sulfide).Logical formLearned from2 sentences. A (hydrogen bomb test) may be contaminated.Logical formLearned from2 sentences. A design can be for a (hydrogen bomb).Logical formLearned from2 sentences. Gases may consist of hydrogen.Logical formLearned from2 sentences. Helium may replace hydrogen.Logical formLearned from2 sentences. The universe can be after hydrogen.Logical formLearned from2 sentences. A process may convert hydrogen.Logical formLearned from2 sentences. (Heating lead carbonate) can be with (hydrogen fluoride).Logical formLearned from2 sentences. Lines may indicate (hydrogen bonds).Logical formLearned from2 sentences. (Hydrogen bonding) can be responsible for secondary structures of proteins.Logical formLearned from2 sentences. (Hydrogen bonding) can be responsible for a point of water.Logical formLearned from2 sentences. A (hydrogen bond) may be described as an interaction.Logical formLearned from2 sentences. Some (cm line) can be constituted-of-or-filled-with neutral hydrogen.Logical formLearned from2 sentences. (Hydrogen bonds) can be enough.Logical formLearned from2 sentences.