Why Do We Have Tears? | A2 ESL Science Reading Passage

Read how tears protect our eyes, then try five comprehension questions.Reading LevelA2-B1Word Count169 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 moisture. If the eye gets too dry, it can feel sore or scratchy.Tears also help clean the eye. If dust..