The answer is the last one D.
Answer:
(b) to explain how light travels.
Explanation: Hope this helped
Answer:
Born on 29 September 1758 in Burnham Thorpe, Norfolk, Horatio Nelson was the sixth of the 11 children of a clergyman. He joined the navy aged 12, on a ship commanded by a maternal uncle. He became a captain at 20 and saw service in the West Indies, Baltic, and Canada.
Explanation:
The sentence showing correct punctuation is Sentence 3. Since "girl" is a singular noun, the possessive form should be "girl's".
Sentences 1, 2 and 3 show incorrect representation of a singular possessive noun. The appropriate to use on these sentence is "girl's".