What do communities need for clean surroundings: mutual efforts, plantation, public awareness or bins?
صاف ماحول کے لیے آبادی کو کیا چاہیے: مشترک کوشش، شجرکاری، عوامی آگاہی یا کوڑا دان؟
Mutual efforts is the broad intended answer; the other measures may be parts of that effort.
Textbook: pp. 85–86. Independently prepared study answer; not an official marking key.