Plants wilt and ultimately dry-up if they are not ______ for a few days.
Greenish layer appears on the copper utensils if they are not cleaned for a few days.
A greenish layer appears on the copper utensils if they are not cleaned for a few days. Give reason. [2 MARKS]
Greenish layer appears on the copper utensils if they are not cleaned for a few days. Give reason. [2 MARKS]