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Next to each of the following features, place a c, n, p, or s if it is characteristic of the biogeochemical cycles of carbon, nitrogen, phosphorus, or sulfur. (Note: Some features may apply to more than one cycle.)
_____ Major reservoir is atmospheric
_____ Major reservoir is in sedimentary rock
_____ Often in short supply in ecosystems
_____ Fossil fuel reserve is part of this cycle
_____ Involved in cloud formation
_____ Lacks a gaseous phase
_____ Includes a form that is a greenhouse gas
_____ Most fluxes involve organisms
Experiment
A study in which people are randomly assigned to a condition.
Causation
The relationship between cause and effect where one event (the cause) directly results in the occurrence of another event (the effect).
Clinical Interviews
A method of assessment where a trained professional asks a series of questions to evaluate an individual's psychological state.
Mental Health Disorders
Conditions that affect a person's thinking, feeling, mood, or behavior, such as depression, anxiety, or schizophrenia.
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