Main atmospheric gas?
💡 Explanation: 78% nitrogen
SI unit current?
💡 Explanation: Ampere
E=mc2 means?
💡 Explanation: Energy conversion
Biosensor measures?
💡 Explanation: Used in health
Universe age?
💡 Explanation: ~13.8 billion
Visible planets count?
💡 Explanation: Five visible
1 light year equals?
💡 Explanation: ~9.5 trillion km
Earth protector planet?
💡 Explanation: Jupiter gravity
Great Spot is?
💡 Explanation: Giant storm
Great Spot on?
💡 Explanation: Jupiter storm
Most visible planet?
💡 Explanation: Brightest
Salinity measured per?
💡 Explanation: Per kg water
Periodic table based on?
💡 Explanation: Atomic number
Blood cleaned by?
💡 Explanation: Kidneys purify
Urine produced in?
💡 Explanation: Kidneys filter blood