What is the powerhouse of the cell?
💡 Explanation: Mitochondria generate most of the cell's supply of ATP, used as energy.
What gas do plants absorb from the atmosphere?
💡 Explanation: Plants absorb CO₂ and release oxygen through the process of photosynthesis.
Which planet is known as the Red Planet?
💡 Explanation: Mars is called the Red Planet because of the reddish appearance given by iron oxide on its surface.
What is the speed of light?
💡 Explanation: The speed of light in a vacuum is approximately 299,792 km/s.
What is the chemical symbol for water?
💡 Explanation: Water is composed of two hydrogen atoms and one oxygen atom — H₂O.