Planes can make it rain
For questions 1-8, read the text below and decide which answer ( A, B, C or D ) best fits each gap. There is an example at the beginning ( 0 ).
Example:
Living next to an airport has always meant having to 0 _____ the noise of planes landing and taking off. Now it seems that 1 (1) ____ residents also have bad weather, according to a 2 (2) ____ published study.
The scientists looked at satellite 3 (3) ____ of clouds above airports, and also studied computer models of the way clouds behave. What they found was that as a plane flies through a very cold cloud, the air behind it expands and then cools 4 (4) ____ rapidly. This sudden drop in temperature, 5 (5) ____ with the hole formed in the cloud where the plane has passed through, can increase the 6 (6) ____ of rain or snow on the ground.
In the case of major airports, with hundreds of flights every day, this can have a significant 7 (7) ____ on weather patterns up to 100 kilometres away. The researchers point out, however, that aircraft passing through clouds are 8 (8) ____ to affect the global climate.