The key answer of exercise 7
The key to exercise solutions in chapter Unit 2 - BBC for the textbook Focus 1 (2nd edition) - Student's Book with authors Sue Kay, Vaughan Jones, Daniel Brayshaw, Marta Inglot, Bartosz Michalowski, Dean Russell, Beata Trapnell from Pearson Education
Question
Answer the questions. Watch the rest of the video (02:42–03:15) and check.
Answer
- 2 billion people
- Because they are full of protein.
- They can catch them and sell them.
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