JUST READ IT Answers: Mobile app helps Hongkongers to plan out less-polluted route [March 1, 2017]

4. None/This will be a world first.

5. Google Traffic provides real-time information on road traffic conditions.

6. B

7. concentration

8. They will have to input data such as the type in ventilation system of a building or whether a window is left open.

9. i) compiles
ii) ultimately
iii) predict

10. A