Slide 2:
UNIT 11 SOURCES OF ENERGY C. LISTENING I. Pre-listening (a per. N) a person who studies the relation between human beings and the environment. Ecologist 1 Ecologist
Slide 3:
UNIT 11 SOURCES OF ENERGY C. LISTENING (a N exp.) This is formed in the soil by millions of years ago as: Coal; Gas; Oil… Fossil fuel 1 Ecologist 2 Fossil fuel I. Pre-listening