I love organic chemistry classes.

Fundamental knowledge of mathematics is necessary for daily life.

This is the most beautiful flower.

Alkenes play an important role in organic chemistry.

This reaction occurs through a chemical process.

It is important to learn the basic grammar of Japanese.

Ethylene is one of the most basic alkenes in organic chemistry.

He ate one apple.

This is an organic vegetable.

He is majoring in chemistry at university.