Where is my calculator?

He is my powerful rival.

After the earthquake, we did a rice distribution in our local community.

My mother cooks rice every day.

Trusteeship is a part of international law, aimed at the administration and protection of certain areas.

His excellent skills are widely recognized in the industry.

His piano performance is truly excellent.

Air pollution is having a serious impact on the health of the planet.

He burned firewood to keep warm.

The atmosphere of this planet is harmful to humans.