Questions

George Gamow. Gamow, who died in 1968, was a physicist, who published “Thirty Years that Shook Physics”.

‘Poetry’ needs to be replaced with ‘Poem’ to make the sentence contextually correct. ‘Poetry’ is a literary work; ‘Poem’ is a piece of writing. Here, the writing is being talked about. Thus, the correct sentence would be, ‘The writer of this poem is Wordsworth’.

The Sound Following the flash of lighting is because of Thunder.

Lightning is seen earlier than thunder because light travels much faster than sound.

The roar of thunder is the result of a shock wave produced when lightning super-heats the air through which it passes, causing that air to expand very rapidly. This rapid expansion of air creates a shock wave that travels outward at close to the speed of sound.

The Apgar score is a measure of a baby's condition after birth. Elements of the Apgar score include color, heart rate, reflexes, muscle tone, and respiration.