1. In what year was the International Red Cross and Red Guard Organization (Red Cross) founded?
2. What chemical element is used to fill balloons and airships?
3. Which planet in the solar system is known as the “Planet of Love”?
4. What is the name of the process by which plants convert sunlight into energy?
5. Which organ in the human body is responsible for secreting insulin?
6. In what year did the Berlin Wall fall?
7. What chemical element is designated as “Hg”?
8. In an adult human body, the total number of red blood cells is
9. In what year was the first official Olympics held in modern times?
10. Which of these cities is located in Egypt?
