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- 1. Multiple ChoiceWhich elements are in fertilizer?Nitrogen and OxygenPhosphorous and HydrogenNitrogen and Phosphorous
- 2. Multiple ChoiceWhat is one way that people add Nitrogen into the environment?By litteringBy using fertilizer on farmsBy burning fossil fuels
- 3. Multiple ChoiceWhat is one way that people add Phosphorus into the environment?Manure from animalsDriving carsCutting down trees (deforestation)
- 4. Multiple ChoiceTrue or False: Plants are primary consumers of carbon dioxide.TrueFalse
- 5. Multiple ChoiceTrue or False: Humans and animals release carbon dioxide into the air during photosynthesis and respiration.TrueFalse
- 6. Multiple ChoiceTrue or False: All of the carbon in existence is continually recycled in the carbon cycle.TrueFalse
- 7. Multiple ChoiceWhere does the carbon come from that plants use?AnimalsWaterAirConnecticut
- 8. Multiple ChoiceWhat of the following is NOT a way that people add carbon to the environment?Burning fossil fuelsDeforestationLittering
- 9. Multiple ChoiceWhat is one way that people add sulfur into the environment?Coal-fired power plantsDriving carsBurning oil in our homesAll of the above
- 10. Multiple ChoiceWhat is a negative effect of sulfur (especially sulfur dioxide) being released into the atmosphere?It creates acid rainIt causes clouds to not formIt makes the sky yellow
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