Explanation

Confusion

Meteorology is a branch of the atmospheric sciences.

Metrology is the scientific study of measurement.

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Agrostology: Study of Grasses 

Agronomy: soil management and crop production 

Odontology: study of teeth 

Arthrology: Study of joints 

Nephrology: study of kidneys

Hematology: Study of blood  

Dermatology:  Study of skin