Compléter Carbon intro "game"Version en ligne Used to intro carbon cycle par Wally Mason 1 Dioxide gas Petroleum Carbo Carbon Carbon Dioxide Limestone Natural Dioxide Oxygen Carbon Carbon Calcium Dioxide Carbon Carbon Hydrogen Carbon Coal Oxygen Carbon Scavenger Hunt Use google to search for these answers . . . 1 . The top 2 most abundant elements in living things are . . . . , 2 . Which gas do animals breathe out during respiration ? - 3 . Which gas do plants take in during photosynthesis ? ( - ) 4 . Where do plants get their mass ? 5 . Which gas controls temperature on earth ? - 6 . What is the most abundant sedimentary rock on earth ? 7 . What elements are found in limestone ? , , 8 . What energy sources are currently used the most ? , - , 9 . What are the two main elements found in fossil fuels ? , 10 . What gas is released when fossil fuels are burned ? - 11 . Which element is present in questions 1 - 10 :
Créer jeu