Topic Details (Notes format)

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

Who discovered the heliocentric model?

Who discovered inheritance laws?

In which sport is the Davis Cup awarded?

Which element has the chemical symbol "Ni"?

Which ancient Greek city-state was famous for its democracy, philosophy, and arts?

Which is the hardest substance in the human body?

What is the largest coral reef system in the world?

Which is the longest and largest river in Australia?

Which element has the chemical symbol "Hg"?