There are only inanimate objects in this room.

The use of bioweapons is prohibited by international law.

The study of nekton is an important part of marine biology.

My biological clock is disrupted, and I've been having sleepless nights.

Invasive species can have a major impact on the natural environment.

He likes to take a walk in the park at dusk.

I am majoring in physical chemistry at university.

He thoroughly researched the history of that nation.

He is a famous composer.

He is a famous lyricist who has produced many hit songs.