Earthquakes (Let's-Read-and-Find-Out Science)
Discusses the frequency of earthquakes, why they happen, their geography, and what a person should do if caught in the middle of one
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What makes the earth quake?Every day there are more than 1,000 earthquakes on our planet. Most are very small, but each year a few are big enough to knock down buildings. What causes these quakes, and how can you stay safe if one is happening? Read on to find out.
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