Alteration is repetition of consonants
Answer:
Explanation:
The work of agronomists, specialists in agricultural production, has been key to the development of these practices.
Intensive Tillage. ...
Monoculture. ...
Use of Synthetic Fertilizers. ...
Irrigation Technologies. ...
Chemical Pest Control. ...
Genetic Manipulation. ...
Bibliography.
To contract means to become smaller. Contraction = to become smaller.