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Click on the leaves in the correct order to spell the words.
The game will count down from 400 seconds.
You will lose 5 seconds for each incorrect letter.
Words:
precaution
irradiation
chain
reaction
nuclear
fission
Becquerel
activity
count-rate
background
radiation
spontaneous
precaution
irradiation
chain
reaction
nuclear
fission
Becquerel
activity
count-rate
background
radiation
spontaneous
Score: 400
Wrong! - 5 points
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