Răspuns:
2. He knew it was an earthquake because his bed started shaking violently.
3. One of the causes of earthquakes might be the process of drilling down into the earth to find gas.
4. The main causes of avalanches are heavy snowfalls, loud noises, vibrations and increases in temperature.
5. When hurricane Katrina struck New Orleans about 80 percent of the city was submerged under dirty water, nearly 2000 people were killed and thousands of people lost their homes.
6. Claire is worried about the future because she doesn't know whether there will be more hurricanes and whether her city will still be so vulnerable.
Explicație:
Reading comprehension
