What is the atomic number of oxygen?

What planet is known as the Red Planet?

How many planets orbit the Sun today!!?

What planet has the Great Red Spot?

What gas do plants use photosynthesis?

Which planet is known for the rings?

What particle is central to the Higgs mechanism?

What unit measures electrical resistance?

What state is water in at 25°C?

Which planet has a moon named Phobos?

What element is symbolized as Na?

Which planet hosts moons 'Phobos' and 'Deimos'?

What is the name of the fundamental force that keeps us on the ground and prevents us from floating into space?

What is the primary function of chlorophyll in plants?

What is the main function of red blood cells in the human body?

Which of the following elements has the highest electrical conductivity?

What is the primary function of mitochondria in eukaryotic cells?

Which of the following elements is most commonly used as a semiconductor in electronic devices?

What is the primary gas found in the Earth's atmosphere by volume?

Which of the following elements is primarily responsible for the shielding effect in atoms?

What is the main gas responsible for the greenhouse effect on Earth?