Car-Free Trip — Double Up

Quick quiz

These ask about details you only notice by really doing the task. Get every one right to pass.

1. 1. Why do short car trips pollute more per kilometre?

   Fuel is weaker in the cityCars go faster in townRoads are rougherCold engines burn fuel less cleanly

2. 2. For a short trip under 2 km, which usually produces the most emissions per person?

   BikingWalkingA car with one personA full bus

3. 3. Planting trees helps the climate because trees…

   Take in carbon dioxideCause rain to stopMake more smokeUse up water only

4. 4. Which gas is a main cause of climate change?

   Carbon dioxideHeliumNitrogenOxygen