1 pound
It depends on the density of the substance.
Banana. The question, as asked, has no sensible answer; it is not possible to convert volumes into areas.
28.32 liters per cubic foot.
1 cubic meter = 35.3147 cubic feet
One therm is equal to 100,000 BTU's (100,000 British thermal units) and has nothing to do with volume measurement (cubic feet).
No-one can answer this. Cubic feet is a measure of volume, kilogram is a measure of weight or mass. The units are different and there is no conversion from one to the other without also specifying a density.
7.48051945
1cubic foot contains: 6.22 imperial gallons or 7.48 u.s. gallons...
1 cubic meter = 35.314667 cubicfeet
31 kilograms is about 68 pounds, and your second question, about 4.69 feet
1 cubic meter is 1,000,000 mL
This question makes no sense, as pounds are a measurement of weight and feet are a measurement in height.