He demonstrated true virtue through his actions.

I made a mistake.

His fault is unforgivable.

Hydrogen peroxide is widely used as an oxidizing agent.

The long autumn nights are rustling, and you can hear the sound of the wind passing through the trees.

He told me the whole story of the incident.

He won a majority of the votes in the election.

The North American beaver is a large rodent native to North America.

The wood duck is a very beautiful bird.

The American bison is a large mammal native to North America.