Choose the best option to complete these sentences.
Chose the correct answer.
The damage caused by the Russian meteorite ___.
- could have been much worse
- was huge
- was greatly reduced by the early warning system
- was much worse than the one in Siberia one hundred years ago
The Siberian meteorite ___.
- hit a forest
- hit a big city
- caused glass to shower over people
- damaged trees when it exploded
On the same day as the meteorite exploded over Chelyabinsk, ___.
- there was another, related, asteroid event
- there was another, unrelated, asteroid event
- scientists realised that an even bigger asteroid could hit Earth
- scientists issued a warning for 2046
The Russian meteorite ___.
- had been predicted by scientists
- came as a surprise
- was too small to worry about
- will come close to Earth again in the future
Experts say that comets and asteroids could ___.
- wipe out all animal life, leaving only plants
- kill a significant proportion of the Earth's human population
- put an end to all plant and animal life on Earth
- cause as much damage as the Hiroshima bomb
A small asteroid ___.
- can still cause a lot of damage
- is not a problem if it is spotted early
- cannot cause any significant harm
- is actually more dangerous than a larger one
Earth has been relatively safe thanks to ___.
- pure luck
- luck and the protective force of another planet from our solar system
- early warning systems set up by NASA
- luck and our position in relation to the sun
Scientists say ___.
- it is impossible to monitor all the potential hazards
- we are not in any danger for the moment
- a meteorite is likely to hit Earth sooner or later
- their early warning systems will protect us