Gagaku is the ancient court ritual music of Japan.

Ecology is a field of study that investigates the interrelationships of organisms in the natural world.

This substance undergoes a chemical change when heat is applied.

In this experiment, the substance will undergo a chemical change.

He is majoring in agronomy at university.

The Kuiper belt is located on the outer edge of the solar system.

My back pain improved after I went to a chiropractor.

He is deeply involved in the animal liberation movement.

His grandfather was a member of the Imperial Navy during World War II.

According to Chinese mythology, the creation of heaven and earth represents the beginning of the universe.