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.

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.

I plan to travel to Southeast Asia next year.

Mamia is my best friend.