✅ Correct Answer: Wind Velocity
Source: This question is taken from the Everyday Science
✅ Correct Answer: Hardness
✅ Correct Answer: longest night
✅ Correct Answer: Uniform acceleration
✅ Correct Answer: Kalology
✅ Correct Answer: Heat radiation
✅ Correct Answer: Dobson
✅ Correct Answer: Changes in the Earth’s Magnetic Field
✅ Correct Answer: Distance
✅ Correct Answer: Humidity of air
✅ Correct Answer: Rainfall
✅ Correct Answer: Sun, moon
✅ Correct Answer: Crust