Topic Details (Notes format)

Which is the highest waterfall in the world?

Which tower in Pisa, Italy, is famous for its unintended tilt?

Which scientist is credited with inventing the first practical telephone?

Which element has the chemical symbol "Re"?

Who discovered the first gravitational lens?

Which cat species cannot retract its claws fully and is known for running speed?

Which gas is most abundant in the Earth’s atmosphere?

Which scientist is known for the famous equation E=mc²?

Which ancient city is known as the ‘Lost City of the Incas’?

Which Persian poet wrote the epic ‘Shahnameh’ (Book of Kings)?