It is said that antimatter has properties opposite to those of matter.

This food may contain carcinogens.

The air in this area is greatly affected by pollutants emitted from factories.

We exist as a part of the material world.

The government declared a state of emergency to prevent the spread of the new coronavirus.

Chemotransmitters play an important role in the transmission of information between nerve cells.

Neurotransmitters are responsible for transmitting information between nerve cells.

Sufficient caution is necessary when handling radioactive materials.