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Athens and Sparta, two Greek cities at war
The great milk adventure
60 pages
Estuary
Chirping
Gills
Supple
Crumples
Nibbles
Umbilical cord
Fibrous
Nostrils
Rudders
Dorsal
The dolphin's blood is nearly black
Its blood is very dark because it contains a large number of red corpuscles. The dolphin's lungs enable it to store 40 times more oxygen than a human being. That is how it can stay underwater for 15 minutes.
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