Which of the following is the metric unit for volume?

• A. meter
• B. second
• C. liter
• D. gram

Answer: (C)

Verified step by step guidance

1. Understand that volume is a measure of the amount of space an object or substance occupies.
2. Recall that the metric system uses specific units for different physical quantities: meter (m) for length, second (s) for time, gram (g) for mass, and liter (L) for volume.
3. Recognize that volume is typically measured in cubic meters (m\^3) in the SI system, but the liter (L) is a commonly used metric unit for volume, especially in everyday contexts.
4. Note that the options given are meter, second, liter, and gram, and among these, only liter directly represents a unit of volume.
5. Conclude that the correct metric unit for volume from the given options is the liter.