X-Ray is avoided by using ?
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When a porcelain dish or a glass material are falling on the floor, it breaks but on falling on sofa or sponge it will not break. Why?
This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:
How does birds specially adopted to flight ?
Explain what instrument is used to measure volume?
Why is a ship loaded with a ballast(bottom load) ?
Dust is removed from a carpet, if we strike it with a stick, why ?
laser is an acronym for light amplification by
Explain the difference between optical zoom, digital zoom and smart zoom?
Why do we lean forward while climbing up a hill ?
What is the difference between a lens and a mirror?
What is melody?
What is Relative humidity ?