Topic Details (Notes format)

Which planet is called Earth’s ‘twin’ due to its similar size and mass?

Which country is known as the "Land of the Rising Sun"?

Which element has the chemical symbol "Yb"?

Which river runs through Baghdad, the capital of Iraq?

What is the largest coral reef system in the world?

What is the hardest naturally occurring mineral?

Who discovered astatine?

Which element has the chemical symbol "Y"?

Which mammal can fly?

Who discovered the asteroid belt?