Environment B1

1. [noun]different types of gases that surround the earth or other planets
6. [noun] waste material or things that are no longer wanted or needed
7. [verb]to damage the environment by releasing harmful chemicals or substances to the air, water, or land
10. [verb]to keep someone or something safe from injury, damage, or loss
11. [noun]any substance that can produce energy or heat when burned
12. [adjective]describing a natural resource that can be replaced in an infinite way
13. [noun] the cutting down of trees in a large area, or the destruction of forests by people

2. [noun] a forest in a tropical area that receives a lot of rain
3. [noun]the place or area in which certain animals, birds, or plants exist
4. noun](usually plural) a country's gas, oil, trees, etc. that are considered valuable and therefore can be sold to gain wealth
5. [noun] animals and plants that grow independently of people, usually in natural conditions
6. [noun]the process of making waste products usable again
8. [noun]TWO WORDS.the gas formed when carbon is burned, or when people or animals breathe out
9. [noun] an artificial substance that can be shaped when soft into many different forms and has many different uses