১৪. Unit 14: Renewable Energy (Lessons 1-2)
Unit 14 looks at the coming energy crisis and why APJ Abdul Kalam saw solar energy as the answer. It explains renewable sources such as solar, wind, hydroelectric, bioenergy, hydrogen, geothermal and ocean energy, and why they are called green or clean energy.
সত্য/মিথ্যাএকাধিক উত্তরবহুনির্বাচনিউত্তর ও কারণসারণিধাপের ভুলশূন্যস্থানভাগ করোমিলাওঅনুচ্ছেদছোট উত্তরসৃজনশীল
এই বইয়ের অধ্যায়
১Lesson 1: "Mr. Moti" by Rahad Abir২Lesson 2: "Girl" by Jamaica Kincaid২Unit 2: Climate Change (Lessons 1-5)৩Unit 3: Pastimes (Lessons 1-5)৩Lesson 3: O Me! O Life!৪Unit 4: Events and Festivals (Lessons 1-6)৫Unit 5: Problems Around Us (Lessons 1-5)৬Unit 6: Our Neighbours (Lessons 1-5)৭Unit 7: People Who Stand Out (Lessons 1-7)৮Unit 8: World Heritage (Lessons 1-4)৯Unit 9: Unconventional Jobs (Lessons 1-3)১০Unit 10: Dreams (Lessons 1-4)১১Unit 11: Reading from English Literature (Lessons 1-11)১২Unit 12: Roots (Lessons 1-4)১৩Unit 13: Loneliness (Lessons 1-3)১৪Unit 14: Renewable Energy (Lessons 1-2)১৫Unit 15: Media and Modes of E-communication (Lessons 1-3)১৬Unit 16: Graffiti