16) The process of making air, water, soil, etc. dirty. P

17) It's a word or a sentence that asks for information.

Q 18) Using something again and again.

R

19) It's a flat surface on a computer where you see pictures and words. S

20) You wear them on your legs.

T

21) It's your father or mother's brother. U

22) It's a low land between hills or mountains. V

23) Weather with a lot of wind.

W

24) A square container for keeping things or food, for example chocolates.

B

25) The opposite of old. Y

26) A place where you can see a lot of different animals. Z​

16) The process of making air, water, soil, etc. dirty. - P (Pollution)

17) It's a word or a sentence that asks for information. - Q (Question)

18) Using something again and again. - R (Reuse)

19) It's a flat surface on a computer where you see pictures and words. - S (Screen)

20) You wear them on your legs. - T (Trousers)

21) It's your father or mother's brother. - U (Uncle)

22) It's a low land between hills or mountains. - V (Valley)

23) Weather with a lot of wind. - W (Windy)

24) A square container for keeping things or food, for example chocolates. - B (Box)

25) The opposite of old. - Y (Young)

26) A place where you can see a lot of different animals. - Z (Zoo)