The natural units of measurement are widely used in physics.

The atom is considered the natural unit of matter.

The natural scientist conducted experiments to study the behavior of animals in their natural habitats.

Natural gases are used as a source of energy.

The natural functions of the human body are essential for survival.

He had three natural sons.

Natural languages are constantly evolving and adapting to meet the needs of their speakers.

The freaks of nature amazed the audience with their unique abilities.

The large windows in the living room allow plenty of natural light to fill the space.

The light of nature guided him in making the right decision.