Title: Why is the sea salty?
Description: Answers questions about the ocean, including how water gets to the ocean, what causes waves, and how rubber duckies helped ocean scientists learn more about how the ocean's waters move.
Subjects: Marine animals, Oceanography, Miscellanea, Children's questions and answers, Ocean, Marine plants, Juvenile literature, Questions and answers, Oceanography, juvenile literature, Marine animals, juvenile literature, Ocean, juvenile literature