What is a major challenge for solar and wind energy? 👤 By The Quiz Wire ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 01 Dec 2025 A. Fuel cost B. Toxic waste C. Intermittency and grid stability D. Water use Check Answer 💡 Explanation: The variable nature of wind and sunlight requires energy storage solutions for reliable power. 📚 Topics: Environment and Conservation Renewable Energy 🎯 Exams: CSS GEN PMS
