Cover of the textbook Wider World 4 - Student's Book

The key answer of exercise 3

The key to exercise solutions in chapter CLIL 1 for the textbook Wider World 4 - Student's Book with authors Suzanne Gaynor, Kathryn Alevizos and Carolyn Barraclough from Pearson Education

Question

Read the text again. Answer the questions.

Answer

  1. sixty-five years
  2. the USA and Canada
  3. hydraulic fracturing
  4. Because it can only be released by fracturing the rock.
  5. It is a safe, reliable and cheap way of getting essential energy; it is better for the environment, air quality and people's health than using coal.
  6. It could cause toxic chemicals to leak into the water system; it could lead to small earthquakes; it will make large areas industrialised, noisy and busy; it uses vast amounts of water.