Which resource is a non-metallic mineral resource? 

A)  water 
B)  soil 
C)  oil 
D)  sand

Non-Metallic

Refers to elements or materials that do not exhibit the characteristics of metals, such as electrical conductivity or luster.

Mineral Resource

Natural deposits of minerals within the Earth’s crust that are of economic value and can be extracted and processed.

Soil

The top layer of the Earth's surface consisting of mineral particles, organic matter, water, and air, serving as the primary medium for plant growth and nutrient cycling.