Across
- 3. chain The series of steps that takes a product from raw materials to the final customer.
- 5. The distance a vehicle can travel without refuelling or recharging.
- 6. To fix or replace parts of a device so it can be used again.
- 7. A material used to make many everyday objects; when discarded, it can cause serious pollution.
- 11. Not native to an area; used to describe harmful plants or animals that spread and damage ecosystems.
- 12. The layer of the atmosphere above the troposphere where HAPS operate.
- 14. A rechargeable power source used in devices such as phones and electric vehicles.
- 15. Cleanup A project that removes plastic from the Great Pacific Garbage Patch and other polluted waters.
Down
- 1. A gas that can be used as a clean fuel when produced with renewable energy.
- 2. Designed to protect the environment or reduce pollution.
- 4. Energy from sources that do not run out, such as the sun or wind.
- 8. The basic systems and structures a country or society needs, such as roads, energy networks, and communication systems.
- 9. A device that stops plastic or other waste before it reaches rivers or the ocean.
- 10. tower A tall structure that sends and receives mobile phone signals.
- 13. A model of a product used for testing before it is mass produced.