Nutrient Cycles exam (Questions & Answers) Rated 100% (2025 Update)

How do humans use the materials in the carbon sink? - ️️Burn as energy source (combustion) Five examples of combustion - ️️Gas stove, tranportation, electrical appliances, heater, factories How is the majority of electricity generated in the area where you live? - ️️Coal Examples of fossil fuels - ️️Oil, natural gas, coal How does our use of these carbon stores affect the amount of CO2 in the atmosphere? - ️️Release carbon in atmosphere=more CO2 Use carbon faster then nature can replenish Which of the processes with the water cycle might be respnsible for helping clean or filter the water? - ️️-absorption and transpiration in plants -percolation in rocks What does the closed system say about the importance of keeping water on earth free from pollution? - ️️If water on Earth is polluted anywhere in the cycle percolation and plants are limited in what they can do and that polluted water is the same water we will have from the beginning of time on Two ways that carbon enters the atmosphere - ️️Respiration and combustion What organisms carry out photosynthesis? - ️️Algae, bacteria, and plants What organisms break down waste? - ️️Decomposers major areas of water storage on Earth? - ️️Atmosphere, surface water, ground water, and ocean Where is ground water stored? - ️️Aquifer Two processes in which water is converted to vapor - ️️Transpiration and evaporationTwo methods by which water on land returns to the oceans - ️️Surface runoff and groundwater flow What are the potential global effects of these changes in CO2 levels? - ️️Global warming Melt ice caps Flooding Weather patterns Different temperatures effect species survival