Luminous and Non- Luminous objects … Register Login Contact us Related Posts via CategoriesPEP Social Studies 2022 Preparation GuideMinistry of Education PEP eBooksPEP Practice National HeroesPEP Social Studies Multiple Choice Test OneThe behavior of light with selected materialsense organ(Eye and Ear)-Ways in which technology can extend sense organ.Natural Resources- Effects of environmental problems on humans Natural Environment-Effects of human activities impact the environmentNatural Resources-Conserving the natural environmentNatural Resources-Adaptations of organisms to their environmentYou are doing well. Tell your friend, it is so good!