Sila jawab soalan-soalan berikut :
1) Apakah punca-punca pencemaran udara ?
(a) ____________________________________________________
(b) ____________________________________________________
2) Senaraikan kesan-kesan pencemaran sungai.
(a) ____________________________________________________
(b) ____________________________________________________
3) Apakah punca-punca pencemaran bunyi ?
(a) ____________________________________________________
(b) ____________________________________________________
4) Senaraikan kesan-kesan pencemaran tanah.
(a) ____________________________________________________
(b) ____________________________________________________
Tiada ulasan:
Catat Ulasan