Hydrogen sulphide is extremely toxic, and particularly at high concentrations, it is lethal to humans.

Hydrocarbon is a basic element of chemical reactions.

Arsine is a colorless, odorless, and highly toxic gas.

Hydrogen cyanide is a colorless liquid with a distinctive smell.

Soybeans are rich in isoflavones.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.

I'm Jewish.

She used to be a prostitute, but now she has started a new life.

Will you marry me?