Question

Which sentence uses an apostrophe correctly?

1) sharks have skeleton's made of a flexible tissue called cartilage.
2) shark eyes do not have eyelids'; therefore, their eyes are always open.
3) sharks are'nt all the same; they vary in sizes, shape, and temperament.
4) a shark's sense of smell is strong, and some smell blood a mile away.

Answer 1

The correct sentence using an apostrophe is 'A shark's sense of smell is strong, and some smell blood a mile away.' The correct option is 4.

Step-by-step explanation:

The sentence that uses an apostrophe correctly is: 'A shark's sense of smell is strong, and some smell blood a mile away.' In this sentence, the apostrophe is used to show possession, indicating that the sense of smell belongs to the shark.

Sentence 1 is incorrect because 'skeletons' is a plural noun and does not require an apostrophe to show possession. Sentence 2 incorrectly places an apostrophe at the end of 'eyelids', which should be 'eyelids' with no apostrophe to indicate that they belong to sharks, since 'eyelids' is not plural possessive but simply plural.

Sentence 3 misuses an apostrophe in the contraction of 'are not', which should be 'aren't'. Therefore, sentence 4 is the one that uses the apostrophe correctly. The correct option is 4.