They called for a boycott of the product.

Everest is the highest peak in the world.

He is learning the basics of elementary learning.

He clenched his lower jaw tightly to endure the pain.

He is an expert in medicine.

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.