It can be the measure of the loudness of sound or a measure of the amount of 3-dimensional space occupied by an object.
Heat is a measure of the amount of energy due to the motion of the particles in a gas, liquid, or solid. Temperature is a measure of the average amount of heat energy in a given body.
suger,ice.salt,ice creame,
mass
If you measure properly, the amount of water does not change. Measurement with whatever graduated cylinder you choose will not alter the amount of liquid measured. Most people choose to measure once with a larger one, but if the amount of liquid falls between the measurement lines, you can measure the "leftover" with a smaller cylinder and find the exact answer.
matter
To measure concentration, you compare the amount of the solute to the total amount of the solution.
Measure the amount of water: by volume or mass or whatever. Measure the total amount in the same units. Divide the first by the second and then multiply by 100.
salinity
Joules
see Reference Answers, thank you.
Luminosity is the total amount of energy emitted by a star per second.
Salinity
is a measure of the amount of matter in a given amount of space
is a measure of the amount of matter in a given amount of space
is a measure of the amount of matter in a given amount of space
You will need to know your total fuel capacity, the distance you traveled and the remaining amount.