The specific gravity of this substance is 2.7.

What is this material made of?

I go to the sea every year in July.

A new song by 2mix has been released.

February is my birth month.

The existence of dark matter has not yet been fully proven.

Antibiotics don't work for colds, so please don't take them unnecessarily.

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.