... 5 4 ĐÁP ÁN ĐỀ SỐ 5 1. A 2. C 3. D 4. C 5. D 6. B 7. D 8. A 9. B 10 . C 11 . C 12 . B 13 . D 14 . C 15 . C 16 . ... 15 . C 16 . B 17 . B 18 . D 19 . D 20. C 21. C 22. D 23. C 24. D 25. A 26. C 27. D 28. B 29. D 30. C 31. D 32. B 33. B 34. B 35. C 36. B 37. D 38. C 39. D 40. A 41. A 42. C ... Solar. Cars work? The photo-voltaic cells absorb photons from sunlight. This action generates heat, which the cells then convert into electrical energy and stores in an on-board battery. This process...