Biogeochemical Cycles

Which is NOT a process of the water cycle? Options: precipitation, freezing, transpiration, evaporation

At least 75% of the atmosphere contains this gas: Options: hydrogen, oxygen, helium, nitrogen

Which cycle are fossil fuels (oil, coal, natural gas) part of? Options: carbon, water, nitrogen, phosphorus

Which cycle DOESN'T cycle through the atmosphere? Options: carbon, nitrogen, phosphorus, water

Identify the cycle pictured. Options: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle

Identify the cycle pictured: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle.

Identify the cycle pictured: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle.

Identify the cycle pictured: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle.

What is released by the weathering of rocks? Options: Carbon, Oxygen, Phosphorus, Nitrogen

Denitrification is the process by which bacteria