Across
- 3. a big problem for the planet right now
- 6. effects of something happening
- 8. the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.
- 9. a layer which protects and seals earths air from space
- 10. the strength and vitality required for sustained physical or mental activity.
- 11. the chemical element of atomic number 6, a non-metal which has two main forms (diamond and graphite) and which also occurs in impure form in charcoal, soot, and coal.
Down
- 1. air that is toxic
- 2. move steadily and continuously in a current or stream.
- 4. a measure of the impact your activities have on the amount of carbon dioxide (CO2) produced through the burning of fossil fuels
- 5. the production and discharge of something, especially gas or radiation.
- 7. earths air