A. the greenhouse effect B. go back to C. plantation D. would A. western B. emission C. municipality D. magnitude A. train station B. check over C. porcupine D. radioactivity A. determined B. rugged C. product D. chew A. pen pal B. diagram C. sounding D. similarly A. sediment B. declare C. deer D. precious A. rubbish B. stomach ache C. flu D. dredge A. in need of B. panda C. topography D. clear A. later B. firefighting C. terrace D. mammal A. lure B. devise C. nut D. crust