The careful use of resources is called conservation recycling deposition composting

The careful use of resources is called conservation.

Explanation:

In the field of environmental studies, the term conservation refers to the prevention of wasteful use or depletion of a resource. This is the reason why the term conservation collocates with -of wildlife, -of rivers, -of forests, etc. to describe the preservation and protection of those natural resources and prevent their harmful exploitation.

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