He is dedicated to the study of immunochemistry.

Thermochemistry is a part of chemistry that deals with the reactions of heat and matter.

Chemical pollution has a serious impact on the health of the Earth.

This shirt is made of chemical fiber.

My child attends a supplementary school every Saturday.

He is suffering from combat stress reaction.

Eurasia is the largest continent on Earth.

I learned about the properties of phosphorous acid in chemistry class.

The climate of the subtemperate zone is characterized by mild winters and hot summers.

He has a deep interest in European and Asian cultures.