Vocabulary 1 a. Write the correct caption under each picture. .............................................................................................. .............................................................................................. c. .............................................................................................. Here are some examples of environmental pollution. Write a caption below each photo. ACTIVITIES 2 b. a. .............................................................................................. 3 a. 36 b. .............................................................................................. c. .............................................................................................. .............................................................................................. c. .............................................................................................. What kind of energy source is it? .............................................................................................. Module 1 BRICKS AND MORTAR b.