_________ is a source of all minerals.

The correct answer is D. soil.

Soil is a mixture of minerals, organic matter, water, air, and living organisms. It is the source of all minerals that are essential for plant growth. Soil also contains nutrients that are essential for animal and human health.

Air is a mixture of gases that does not contain any minerals. Water is a compound that is made up of hydrogen and oxygen atoms. Wildlife is a term that refers to all the animals that live in a particular area.

Soil is the only option that is a source of all minerals.