Photosynthesis can be on a front-end of (energy collection).Logical formLearned from18 sentences. Hydrogen may use energy.Logical formLearned from18 sentences. An economic downturn may erode (energy demand).Logical formLearned from18 sentences. (Energy solutions) can be long-term.Logical formLearned from18 sentences. A threat can be to an (energy security).Logical formLearned from18 sentences. (Energy security) can be problems.Logical formLearned from18 sentences. A tribute can be to energy.Logical formLearned from18 sentences. Developed countries may cut_back on an (energy use).Logical formLearned from18 sentences. A position can be on (energy issues).Logical formLearned from18 sentences. A kinetic energy may pertain-to a wind.Logical formLearned from18 sentences. An (energy supplier) may pertain-to a person.Logical formLearned from18 sentences. Energies can be magnetic.Logical formLearned from18 sentences. An aspect can be constituted-of-or-filled-with energy.Logical formLearned from18 sentences. Energy may light a country.Logical formLearned from18 sentences. A move may boost (energy shares).Logical formLearned from18 sentences.