Answer — Exercise 3
CLIL 1·Wider World 4 - Student's Book
Pergunta
Read the text again. Answer the questions.
Resposta
- sixty-five years
- the USA and Canada
- hydraulic fracturing
- Because it can only be released by fracturing the rock.
- 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.
- 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.