It is a very beautiful view.

Education about sex is very important.

This lake is known as a dangerous body of water.

His explanation was impossible to understand.

Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

Bioinformatics is an essential field for the analysis of biological data.

Biomass energy is one of the renewable energy sources.

My biorhythm is disturbed, and I've been tired lately.

The threat of bioterrorism is a very serious issue for all of us.