Examlex
Citizens trained in a CERT courses are able to perform emergency fire suppression.
Nitrogen
A chemical element with the symbol N and atomic number 7, essential for all living organisms as it constitutes a major component of amino acids and nucleic acids.
Biogeochemical Cycles
The circulation of substances through living organisms from or to the environment.
Gaseous
Relating to or having the characteristics of a gas, a state of matter that is without definite shape or volume.
Sedimentary
Pertaining to rocks formed from sediment accumulated over time, usually in water, through the process of compaction and cementation.
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