00995cam a2200265 4500 294756600 TxAuBib 20000202120000.0 000202s1997||||||||||||||||||||||||eng|u 96045924 /AC 9780789415325 0789415321 DLC DLC DLC TxAuBib Why do volcanoes erupt [Book] : questions children ask about the Earth. 1st American ed. New York : DK Publishing, 1997. [18] p. : col. ill. 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?". 20100519. Earth sciences Miscellanea Juvenile literature. Earth sciences Miscellanea. Questions and answers. Why books.