What is a Tsunami? what causes a Tsunami?
- Curious questions, Earth Science, Ocean
- January 23, 2015

Starfish are some of the most beautiful creatures in the sea. But did you know that they’re actually deadly predators? Starfish, or sea stars, are really interesting animals. Their “skeleton” is made of water! The sea star has a series of branching tubes running down each arm of its body. Each one of these tubes
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