Fill in the blanks with appropriate words:

Air and water are two important (a) _____ of the environment. These elements are (b) _____ for life on earth. They are often (c) ____ in many ways, Air is polluted mostly by (d) _____ and water by different kinds waste and (e) _____ . If we want to live a (f) ____ life, we should (g) ____ the pollution of the environment. Total prevention may be (h) ____ , but we can certainly (i) ____ pollution by raising (j) ____ among people.

(a) elements; (b) essential; (c) polluted; (d) smoke/pollutants; (e) filths; (f) healthy; (g) decrease/reduce (h) difficult/impossible (i) reduce (j) awareness.

Air and water are two important (a) elements of the environment. These elements are (b) essential for life on earth. They are often (c) polluted in many ways, Air is polluted mostly by (d) smoke/pollutants and water by different kinds waste and (e) filths . If we want to live a (f) healthy life, we should (g) decrease/reduce the pollution of the environment. Total prevention may be (h) difficult/impossible , but we can certainly (i)reduce  pollution by raising (j) awareness among people.