Biogeochemical Cycles

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

The process of plants losing water through their leaves is called ____.

What is the most abundant gas in the atmosphere? Options: hydrogen, oxygen, helium, nitrogen

Where are denitrifying bacteria found?

Why do living things need nitrogen?

What happens during the process of nitrogen-fixation?

What happens during the process of denitrification?

Which is NOT a way that nitrogen compounds are added to the soil?

What is the only process that removes carbon from the atmosphere? Options: combustion, cellular respiration, photosynthesis, decomposition

Where is carbon stored in the environment? Options: Fossil fuels, Wood of trees, Calcium carbonate (shells and bones), All of the above