Use this A2-B1 ESL science reading passage to learn why do we have tears?. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count227 wordsReading PassageTears are drops of liquid from our eyes. We may notice tears when we cry, but our eyes use tears all the time.Tears keep the eye wet. The eye has a clear surface that needs mois..