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LE SSON 3
Interesting Facts:
The first wind machine was used in ancient Persia around
300 BC .
1
One wind turbine can produce enough electricity to power
300 homes.
Renewable energy sources create three times more jobs
than fossil fuels.
Albert Einstein won the Nobel Prize in 1921 for his
2
experiments with solar power. 3
LESSON
1. Before Christ: Used after a date to show that it was before the birth of Christ.
2. English pronunciation: /ˈaɪnstaɪn/
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