Online Activities, Educational Games, Quizzes, Crossword Maker

Make educational games, websites, online activities, quizzes and crosswords with Kubbu e-learning tool for teachers

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Renewable and Nonrenewable Sources of Energy

Renewable, Nonrenewable, group_name3, group_name4,

Coal, Oil, Petroleum, Natural Gas, Minerals %26 Rocks, replenish slowly or not at all, fossil fuels, CO2 is added to atms from using this category of energy, can be replaced by nature as fast as they are used, Vegetation-Biomass, Sunlight, Wind , Water-Hydro, Geothermal,