Glossary

Humic Acid: It is natural organic soil.

 

Carbon Cycle: The carbon cycle is carbon circling around th earth through all the spheres.

 

Spheres: The spheres are pieces of the earth including the water.which some of the spheres are the pedosphere, hemisphere, and biosphere, and ect.

 

(NOM): Means natural organic matter.

 

Tannin: Means is dark brown material that is in soil it is also natural oganic matter.

 

CO2: Acidic oxide that is a solution that can turn colors.

 

 

 

 

 

 

 

 

 

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