Many buildings were destroyed by the war.

He was handed over to the international tribunal as a war criminal.

Despite their simple body structure, nematodes have surprisingly complex ecosystems.

This chemical reaction is in equilibrium.

I use a microscope for biology experiments.

I used an optical microscope for an experiment at school.

There is no choice but to move forward.

He is composing a poem.

He was put on trial as a war criminal.

Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.