Gap Fill - Dinosaurs - Level 4


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   account      chain      day      debris      details      disastrous      geology      hours      huge      layers      millions      ocean      rock      rocks      seabed      soil      this      tsunami      us      wide  
Scientists have more of how the dinosaurs died out 65 million years ago. The scientists analyzed in a crater under the off Mexico. The rocks were created from the impact of a asteroid hitting Earth. The rocks' show a step-by-step of what happened after the impact. A scientist said: "It tells what went on inside the crater on that of doom that killed the dinosaurs. All of recorded in the [rock]."

The asteroid was up to four kilometers . It created a crater 160kms wide and 20kms deep. This started a reaction of earthquakes, , landslides and fires that changed Earth's forever. It also killed off the dinosaurs. Molten fell into the crater, which was then filled with water. This water was full of , vegetation and other . It took a few to settle in the layers scientists are now analyzing of years later.

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