Examlex
Belts and zones are clouds that wrap around the entire planet.
Nitrogen Cycle
A biogeochemical cycle that describes the transformations of nitrogen and nitrogen-containing compounds in nature, involving processes like fixation, nitrification, and denitrification.
African Savanna
A grassland ecosystem located in Africa, characterized by open landscapes, diverse wildlife, and seasonal rainfall.
Fire
A rapid, persistent chemical change that releases heat and light and is typically initiated by ignition of combustible material.
Nitrogen
A chemical element with symbol N and atomic number 7, which is a critical component of all living cells, notably in proteins and nucleic acids.
Q22: Ribonucleic acid copies DNA molecules.
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Q196: Essential minerals are elements naturally found in