The key answer of exercise 1
The key to exercise solutions in chapter 6.4 - Reading for the textbook Focus 3 (2nd edition) - Workbook with authors Daniel Brayshaw, Dean Russell, Anna Osborn and Amanda Davies from Pearson Education
Question
Read about Jack Andraka's invention. Why is the article called A Lot of Light Bulbs?
Answer
Because Jack is like Thomas Edison, the inventor of the light bulb.
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