Puzzle 8

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Across
  1. 3. About ___% of industrial emissions are from refining and petrochemicals sector.
  2. 5. What is the 3rd most type of waste disposed in Singapore?
  3. 6. Which country has the most graduates in engineering manufacturing and construction in the world?
  4. 7. Which of the following singers had the most nominations for American Music Awards 2019?
Down
  1. 1. Kpop star Jung Joon-young sentenced to 6 years in jail due to?
  2. 2. Name the pillar in total defense that starts with "P".
  3. 3. What is the amount of years education is compulsory in Singapore?
  4. 4. The first stage of the Thomson-East line will be opening on the 31 ______ 2020.