Question 5 guess the words ?<br /><br />1. What's the chemical symbol for oxygen?<br />2. In what year did the Berlin Wall fall?<br />3. Name a famous ancient wonder that no longer exists?<br />4. What's the process by which plants make their own food using sunlight?<br />5. Who is known as the "Father of Computer Science"?<br /><br />The answer will be contained in the video later<br /><br />Please Follow Me
