1

Problem

Choose the option based on the correct usage of colons and dashes for the underlined words.

Our first human ancestors were a rare species. They lived under precarious conditions exposed to rigorous weather and the hostility of wild beasts.

2

Clue

Punctuations help end, pause, and emphasize certain sentence parts.

3

Hint

A colon (:) is used to introduce a list after a complete sentence.

4

Sumup

Please summarize steps

Choices

6

Choice-A

"Our first human ancestors were a rare species. They lived under precarious conditions exposed to rigorous weather and the hostility of the wild beasts." The provided sentences are incorrect.They have a structure issue. The second sentence lacks a clear connector or punctuation to indicate the relationship between the two sentences.

Wrong No change

7

Choice-B

"Our first human ancestors were a rare species. They lived under precarious conditions: exposed to rigorous weather and the hostility of the wild beasts." The sentences are grammatically sound, clear, and appropriately uses punctuation. In this sentence, the second clause "exposed to rigorous weather and the hostility of wild beasts" explains or elaborates on the phrase "precarious conditions." So a colon (:) is correctly used to introduce an explanation, elaboration, or list after a complete sentence.

Correct conditions: exposed

8

Choice-C

"Our first human ancestors were a rare species. They lived under precarious conditions. exposed to rigorous weather and the hostility of the wild beasts." The provided sentences are incorrect due to the use of inappropriate punctuation (.).

Wrong conditions. exposed

9

Choice-D

"Our first human ancestors were a rare species. They lived under precarious conditions; exposed to rigorous weather and the hostility of the wild beasts." The provided sentences are incorrect due to the use of a semicolon after "precarious conditions." A semicolon connects two independent clauses, but "exposed to…​" is not an independent clause.

Wrong conditions; exposed

10

Step

Complete sentence - Our first human ancestors were a rare species. They lived under precarious conditions: exposed to rigorous weather and the hostility of the wild beasts.

11

Answer

Option

B

12

Sumup

Please summarize choices