The is the series of enzyme-mediated reactions that will reduce carbon dioxide into carbohydrates.

Metabolism

Explanation:

Metabolism is a term that is used to describe all chemical reactions involved in maintaining the living state of the cells and the organism. Metabolism can be conveniently divided into two categories:

1) Catabolism - the breakdown of molecules to obtain energy, and

2) Anabolism - the synthesis of all compounds needed by the cells

compost can be added to topsoil as a:

pesticide