What is the unit used to measure the volume of water at rest?

✅Explanation:
The volume of water at rest is typically measured in cubic metres (m³). This is the standard unit for measuring the three-dimensional space occupied by a liquid, including water.

📌Other Options Explanations:
-(a) Litre/minute: Litres per minute (L/min) is a unit of flow rate. It indicates the amount of liquid passing a point per minute.
-(c) Square metre (m²): Square meters measure area.
-(d) Kilogram/minute: Kilograms per minute (kg/min) is a unit of mass flow rate. It indicates the amount of mass passing a point per minute.