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- 1. Multiple ChoiceWhich is NOT a process of the water cycle?precipitationfreezingtranspirationevaporation
- 2. Multiple Choice
The process of plants losing water through their leaves is called ____.condensationevaporationtranspirationexhaling - 3. Multiple ChoiceWhat is the most abundant gas in the atmosphere?hydrogenoxygenheliumnitrogen
- 4. Multiple ChoiceNitrogen that is not combined with other elements and found in the atmosphere as gas is _____.free nitrogennitrogen compoundsammonianitrates
- 5. Multiple ChoiceThe type of nitrogen that can be used by producers is called _____.free nitrogennitrous oxidenitrogen gasnitrogen compounds
- 6. Multiple ChoiceWhy do living things need nitrogen?To get energyTo make amino acidsTo make proteinsTo make proteins AND amino acids
- 7. Multiple ChoiceWhat are the swellings found on the roots of legumes called?noodlesnodularismsnodulestubers
- 8. Multiple ChoiceWhere are denitrifying bacteria found?In the soilRoot nodulesIn dead thingsIn the atmosphere
- 9. Multiple ChoiceWhere are nitrogen-fixing bacteria found?In the soilRoot nodulesIn dead thingsIn the atmosphere
- 10. Multiple ChoiceWhat happens during the process of nitrogen-fixation?Nitrogen compounds turn into free nitrogenFree nitrogen turns into nitrogen compounds
- 11. Multiple ChoiceWhat happens during the process of denitrification?Nitrogen compounds turn into free nitrogenFree nitrogen turns into nitrogen compounds
- 12. Multiple ChoiceWhich is NOT a way that nitrogen compounds are added to the soil?Decay of dead organismsDenitrificationAnimal wasteNitrogen-fixation
- 13. Multiple ChoiceWhat is the only process that removes carbon from the atmosphere?combustioncellular respirationphotosynthesisdecomposition
- 14. Multiple ChoiceWhere is carbon stored in the environment?Fossil fuelsWood of treesCalcium carbonate (shells and bones)All of the above
- 15. Multiple ChoiceWhat 2 things does a plant make during photosynthesis?oxygen, glucoseglucose, carbon dioxideuseable energy, glucoseoxygen, carbon dioxide
- 16. Multiple ChoiceWhat 3 things are made during cellular respiration?useable energy, water, glucoseglucose, water, carbon dioxideoxygen, carbon dioxide, glucosecarbon dioxide, water, useable energy
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