Cover of the textbook Performer B1, Vol. 2

The key answer of exercise 2

The key to exercise solutions in chapter Review Units 7-8 for the textbook Performer B1, Vol. 2 with authors Marina Spiazzi, Marina Tavella e Margaret Layton from Zanichelli

Question

Choose the correct alternative.

Answer

  1. global warming
  2. pollution
  3. carbon dioxide
  4. hurricane
  5. floods
  6. biomass energy
  7. ecosystem