Here’s the correct matching of cycles with the processes involved in recycling their materials:
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Carbon Cycle
- Processes: photosynthesis, respiration, decomposition, and absorption
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Nitrogen Cycle
- Processes: nitrification, denitrification, fixation, assimilation, and ammonification
-
Phosphorus Cycle
- Processes: weathering, erosion, decomposition, and absorption
So the matches are:
1 -> Photosynthesis, respiration, decomposition, and absorption
2 -> Nitrification, denitrification, fixation, assimilation, and ammonification
3 -> Weathering, erosion, decomposition, and absorption