Topic Details (Notes format)

What is the chemical formula of methane?

What is the most abundant gas in the Sun?

Which planet is known as the "Red Planet"?

Which of the following is a fundamental force in nature?

Which type of blood vessel carries blood away from the heart?

What is the most common state of matter in the universe?

What is the main component of the human skeleton?

What is the term for an organism that can make its own food?

Which gas is used in fire extinguishers?

What is the largest organ in the human body?