1. Water vapor releases into the atmosphere through the process of A. infiltration B. condensation C. precipitation D. transpiration 2. The following are abiotic component of an ecosystem EXCEPT: A. amount of sunlight C. soil fertility B. number of plants D. water availability 3. When water is absorbed into the ground, which process occurs? A. infiltration C. precipitation B. condensation D. transpiration 4. In water cycle, water from the ocean forms clouds. Which is the correct order of events? A. cooling, condensation, evaporation B. condensation, evaporation, cooling C. evaporation, condensation, cooling D. evaporation, cooling, condensation 5. The following processes are part of the oxygen - carbon dioxide cycle EXCEPT: A. decomposition C. precipitation B. photosynthesis D. respiration 6. It is the process where carbon dioxide from the atmosphere removes? A. combustion C. precipitation B. photosynthesis D. respiration 7. The following species are decomposers EXCEPT: A. bacteria C. saprophytes B. fungi D. viruses 8. It is a substance that contains nitrogen? A carbohydrates C. proteins B. fats D. minerals 9. Which of the earth's water supply exists in order of decreasing abundance A. Glaciers, oceans, groundwater B. Groundwater, oceans, glaciers 10. This organism in the soil is involved in A. Bacteria C. Oceans, glaciers, groundwater D. Oceans, groundwater, glaciers every step of the nitrogen cycle? C. Viruses B. Fungi D. all of the above 11. The following are natural sources of carbon towards the atmosphere EXCEPT: A. volcanic activity C. respiration D. forest fires B. burning of fossil fuels 12. Which gas is use by plants that animals produced?​