Which large celestial body is responsible for the tides on Earth due to its gravitational pull?

Which gas makes up approximately 78% of the Earth's atmosphere?

Which ocean is the largest and deepest on Earth?

Who is credited with inventing the first functional light bulb?

Which continent is known as the "frozen continent" and contains the South Pole?

Which organ in the human body is responsible for pumping blood and ensuring oxygen reaches all tissues?

Which ancient civilization built the Great Pyramid of Giza?

Which layer of the Earth's atmosphere contains the ozone layer, which protects us from harmful ultraviolet (UV) radiation?

Which chemical element has the symbol Ag and was highly valued in ancient times for making jewelry and coins?

Which mathematical constant represents the ratio of a circle's circumference to its diameter?