English 8- Unit 7- A closer look 1

People in my neighbourhood are doing a lot to save (a)   .

(a)   is a serious environmental concern as it harms natural habitats.

Forests help release oxygen and absorb (a)   ; they also provide homes for many species.

(a)   is the process of making water, air, soil, etc. dirty by adding harmful substances.

animals facing a high risk of extinction in the wild.

(a)