Transcript:
Result:
AI explanationShows the answer. Tap to open.
Option 4: "current days"
Explanation: This option accurately reflects the ongoing relevance of the sun as a timekeeping method. The phrase 'countless years' in the text suggests that this method has persisted into modern times, making 'current days' the most fitting completion.
Option 1: "ancient civilisations"
Explanation: While 'ancient civilisations' could relate to the use of the sun for timekeeping, the text does not specifically mention them as a continuation of the method. The phrase 'countless years' suggests a broader time frame that includes more than just ancient civilisations.
Option 2: "desert tribes"
Explanation: The term 'desert tribes' is too narrow and specific. The text discusses the use of the sun for timekeeping across a wide range of human history, not limited to any particular group or environment.
Option 3: "historical periods"
Explanation: Although 'historical periods' could fit the context, it lacks the immediacy and relevance of the correct answer. The text implies a continuous use of the sun for timekeeping, which is better captured by 'current days'.
The rest of this explanation is for members. Sign in free to read why the other options are wrong, key words and tips.
Sign in to read the full explanation