Science, Technology, Math riddles, and popular christmas trivia questions - take the quiz

What is the chemical symbol for gold?

Which of the following is a renewable energy source?

Solve the equation: 2x + 5 = 15 (Text: Score 2) Answer: x = 5 Variations: 5, x = 5, x=5, X=5, 5 is the answer, 5 is correct, 5 is the solution, x equals 5, x is 5, x = 5 is the solution Explanation: By subtracting 5 from both sides of the equation, we get 2x = 10. Dividing both sides by 2 gives us x = 5. 4. Who developed the theory of relativity?

Which planet is known as the "Red Planet"?

What is the largest organ in the human body?