Which is not the component of soil?

Choose one answer from the given options.

Soil is a mixture of organic and inorganic materials that support plant growth. The inorganic components of soil include weathered rocks and minerals, air, and water.

The organic components of soil include dead plants and animals that have decomposed to form organic matter.

Coal is not a component of soil as it is a fossil fuel formed over millions of years from the remains of dead plants.