Wordbrain Themes Master Recycling Level 1

Answer: Paper, Metal, Glass, Trash
Wordbrain Themes Master Recycling Level 2

Answer: Compost, Waste, Resource
Wordbrain Themes Master Recycling Level 3

Answer: Garbage, Nature, Plastic
Wordbrain Themes Master Recycling Level 4

Answer: Sustainable, Future, Oil
Wordbrain Themes Master Recycling Level 5

Answer: Energy, Environment, Can