2 m^3 of bricks 4 m^3 of bricks 6000 m^3 of air 10,000 m^3 of air
Red-clay bricks have a density of approximately 2000 kg/m^3. Air has a density of 1 kg/m^3. Which of the following has the lowest mass?

Options:
- 2 m^3 of bricks
- 4 m^3 of bricks
- 6000 m^3 of air
- 10,000 m^3 of air

2 m^3 of bricks