Calibration of a measuring instrument is the process of breaking in the instrument when it is new. the process of putting oil in all the moving parts of the instrument. comparing and adjusting the instrument’s measurement to get the data that you expect during your experiment. comparing and adjusting the instrument’s measurement to match a known quantity or another correctly functioning instrument’s measurement.

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b