What is a tsunami?
A tsunami is a series of ocean waves caused by an underwater earthquake, landslide, or volcanic eruption. More rarely, a tsunami can be generated by a giant meteor impact with the ocean.
What are the effects of a tsunami?
A tsunami can kill or injure people and damage or destroy buildings and infrastructure as waves come in and go out. A tsunami is a series of enormous ocean waves caused by earthquakes, underwater landslides, volcanic eruptions, or asteroids.
How do scientists predict tsunamis?
 Scientists can accurately estimate the time when a tsunami will arrive almost anywhere around the world based on calculations using the depth of the water, distances from one place to another, and the time that the earthquake or other event occurred. 
What is a Chromebook and what can it do?
] The original assumed vision of the Chromebook platform was a laptop and operating system capable of running only the Chrome web browser. You could do anything you wanted, as long as you wanted to stay on the web at all times.