Choose the most appropriate answer for each question.Refresh

• Question 1 :
Based on carbon dating, the site was redated to 5000 BC.
1. BC or B.C.
2. BCs
3. BC
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• Question 2 :
BC and PM 2.5 were measured using real-time monitors, an aethalometer and a laser photometer.
1. BC or B.C.
2. BCs
3. BC
Show Answer

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1. en BCS
2. en BCD
3. fr BCE
4. en BCG
5. en BCL