Carbon Cycle Challenge

Froggy Jumps

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Carbon basics quiz

Stella Pokriva

United States

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Carbon Cycle Challenge


Froggy Jumps Carbon Cycle ChallengeVersion en ligne Carbon basics quiz par Stella Pokriva 1 What does photosynthesis primarily do with CO2? a Stores carbon as biomass in plants b Releases CO2 into the atmosphere c Breaks down CO2 into carbon dust 2 Which gas is a greenhouse gas released by burning fossil fuels? a Oxygen (O2) b Nitrogen (N2) c Carbon dioxide (CO2) 3 Which gas is more powerful per molecule but less abundant? a Carbon monoxide (CO) b Methane (CH4) c Water vapor (H2O) 4 Deforestation reduces the atmosphere’s CO2 absorption by reducing what? a Soil moisture b Forest biomass and photosynthesis capacity c Atmospheric oxygen 5 What process releases CO2 during energy use and decay? a Photosynthesis and fixation b Respiration and combustion c Fermentation only 6 What accelerates ocean acidification? a Decreased salinity in oceans b Rising sea temps only c Increased CO2 absorption by oceans 7 Which human activity increases atmospheric CO2 the most? a Burning fossil fuels b Ocean cooling c Planting trees 8 What is the greenhouse effect? a Gases trap heat, warming Earth b Oceans cool the atmosphere c Heat escapes easily 9 Which is a renewable energy solution to reduce carbon? a Solar and wind power b Oil drilling c Coal-fired plants 10 What term describes total greenhouse gas emissions from a person or activity? a Carbon budget b Carbon sink c Carbon footprint