Aluminium is a chemical element with the symbol Al and atomic number 13.

Amino acids are organic compounds that serve as the building blocks of proteins and play crucial roles in various biological processes.

Antarctica is Earth's southernmost continent, located almost entirely within the Antarctic Circle.

An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt) from which groundwater can be extracted.

Atmosphere is a comprehensive Wikipedia page that provides a thorough overview of Earth's atmosphere.

Calcium is a chemical element with the symbol Ca and atomic number 20.

Carbon is a chemical element with the symbol C and atomic number 6.

Earth is the third planet from the Sun in our solar system and the only known celestial body to support life.