00978cam a2200301 4500 516904838 TxAuBib 20180517120000.0 960918s1996||||||||||||||||||||||||eng|u 96045924/AC 9780789415325 0789415321 (OCoLC)679865599 TxAuBib Why do volcanoes erupt. 1st American ed. New York : DK Pub., 1996. p. cm. Why books WHY BOOKS. Presents information about various aspects of our planet in answer to such questions as "Why do stars twinkle," "Why are there mountains," and "Why do earthquakes happen?". 20180517. Earth sciences Miscellanea. Earth sciences Miscellanea Juvenile literature. Questions & Answers. Why books. BTCLS