What is the sales percentage of this product?

Analytical chemistry is a science that reveals the composition and structure of substances.

He is majoring in humanities at university.

He has a deep interest in humanities.

This temple has been designated as a national important cultural asset.

He is majoring in philology at university.

This page of the book contains a lot of marginal notes.

He is majoring in syntax at university.

He wrote ancient poems using written language.

Intermolecular forces are an important factor in determining the properties of a substance.