Questions:
1) In which country is the Great Barrier Reef located?
2) Which planet in our solar system is known as the "Morning Star" or "Evening Star"?
3) Which country hosted the 2016 Summer Olympics?
4) What is the chemical symbol for silver?
5) Who painted the famous artwork "The Starry Night"?
6) What is the primary gas responsible for causing global warming?
7) What is the largest ocean on Earth?
8) Who is the Greek god of thunder and lightning?