Choose the best description for each cycle.
1. nitrogen
a biogeochemical cycle that cycles material by weathering, erosion, tectonic activity, and the food chain
2. phosphorus
a biogeochemical cycle that cycles material by evaporation, condensation, precipitation, and transpiration
3. tectonic
a geochemical cycle that cycles material by weathering, erosion, deposition, cementation, and metamorphism
4. carbon
a biogeochemical cycle that cycles material by fixation, assimilation, ammonification, nitrification, denitrification, and the food chain
5. hydrologic
a biogeochemical cycle that cycles material by photosynthesis, respiration, and the food chain
6. rock
a geochemical cycle that cycles material by mantle convection, subduction, and seafloor spreading

The best description for each cycle;

1. Nitrogen - a biogeochemical cycle that cycles material by fixation, assimilation, ammonification, nitrification, denitrification, and the food chain.  

2. Phosphorus - a biogeochemical cycle that cycles material by weathering, erosion, tectonic activity, and the food chain.

3. Tectonic - a geochemical cycle that cycles material by mantle convection, subduction, and seafloor spreading.  

4. Carbon - a biogeochemical cycle that cycles material by photosynthesis, respiration, and the food chain.

5. Hydrologic - a biogeochemical cycle that cycles material by evaporation, condensation, precipitation, and transpiration.  

6. Rock - a geochemical cycle that cycles material by weathering, erosion, deposition, cementation, and metamorphism.  

The nitrogen cycle is a biogeochemical cycle by which nitrogen and its compounds are transformed and circulated in the environment and in living organisms. The processes of the nitrogen cycle include fixation, assimilation, ammonification, nitrification, and denitrification.

The phosphorus cycle is a biogeochemical cycle by which phosphorus moves through the lithosphere, hydrosphere, and biosphere. In the phosphorus cycle, there is movement of phosphorus through rocks, water, soil and sediments and organisms by processes such as weathering, erosion, tectonic activity, and the food chain.

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