Choose the correct word

1. Famine and war can lead to the
   [collapse |reduction |drop |slip] of a society.
2. The scientist was determined to find evidence to support his
   [theory |check |test |evaluation].
3. "This is your final
   [alert |alarm |caution |warning]. Next time I will send you to the Head," the teacher told the student.
4. How Easter Island became a treeless island is
   [quarrelled |disputed |disagreed |argued] by scientists.
5. Easter Island has a
   [desolate |desert |devastated |deserted] landscape.
6. There was a lot of
   [argument|controversy|debate|discussion] surrounding the issue.
7. Easter Island is a
   [far |distant|remote |detached] island in the Pacific Ocean.
8. The police
   [systematically |logically |automatically |mathematically] searched the whole area looking for evidence.