天天爆殺 
今日66折 
Why the Sea Has Salt Level 4-5
Go to a river. Have some of the water there. It is good to drink. Go to the sea. Have some of the water there. It is not good to drink. Sea water has salt in it. Why is there salt in the sea? This story says it is because of two brothers and a magic mill.
Early readers will help their reading skills grow with these simple retellings of well-loved classics.
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