Freedom of expression is one of the fundamental rights of democracy.

In genetics, we study how genes determine the phenotype.

Hate speech has the power to divide society as a whole.

This reaction occurs through a chemical process.

He is an excellent chemist who made many discoveries.

He is an expert in petrochemistry.

Understanding chemical equations is difficult.

He is an expert in chemical analysis.

We are growing vegetables without using chemical fertilizers.

Oxygen, which is one of the chemical elements, is necessary for us to breathe.