Tree Watch — Double Up
SDG 15 · medium · +20 points · 4-question quiz · instant points when you pass
Water, mulch or check on a young tree. Do it twice as much as usual and show the difference.
Quick quiz
These ask about details you only notice by really doing the task. Get every one right to pass.
1. Why does saving hot water count twice?
2. Which bird food is safest to put out?
3. While the tap ran during brushing, roughly how much water would flow in two minutes?
4. Overwatering a plant most often causes…