Use this A2-B1 ESL science reading passage to learn why people have fingerprints. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count238 wordsReading PassageLook closely at the tips of your fingers. You can see many small lines. These lines make your fingerprint.Fingerprints are not just marks on the skin. They help your fing..