✅ Correct Answer: Flour
Source: This question is taken from the Everyday Science
✅ Correct Answer: Speed of Air
✅ Correct Answer: Wind Velocity
✅ Correct Answer: All of these
✅ Correct Answer: Radioactivity
✅ Correct Answer: Weight
✅ Correct Answer: Blood glucose level
✅ Correct Answer: Lens
✅ Correct Answer: Metre, litre and gramme
✅ Correct Answer: Lens refractive power
✅ Correct Answer: Depth
✅ Correct Answer: Electromagnetic radio wave frequencies
✅ Correct Answer: Milk
✅ Correct Answer: Hardness
✅ Correct Answer: Eratosthenes
✅ Correct Answer: Pressure
✅ Correct Answer: Distance
✅ Correct Answer: None OF These
✅ Correct Answer: 3
✅ Correct Answer: optical power
✅ Correct Answer: Changes in the Earth’s Magnetic Field
✅ Correct Answer: Atmospheric Pressure
✅ Correct Answer: Wattmeter
✅ Correct Answer: Barometer