Listening test 3 part 7 Questions 31-34Answer the questions below.Write NO MORE THAN ONE WORD AND/OR A NUMBER for each answer.31 Where was a Stone Age rubbish dump found?32 In Medieval times, what type of waste was most common?33 What did science link with waste?34 Which invention is the biggest problem for the environment? Questions 35-37List THREE factors which led to the increase in waste.Write NO MORE THAN TWO WORDS for each answer. 35. 36. 37. Time's up