The key to exercise solutions in chapter 9.1 - Vocabulary for the textbook Focus 5 (2nd edition) - Student's Book with authors Sue Kay, Vaughan Jones, Monica Berlis, Heather Jones and Daniel Brawshaw from Pearson Education
Question
Discuss the questions.
Answer
1
2
Substances that make the soil richer:
Substances for killing unwanted animals or plants:
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