In a black box experiment, when the amount of material exiting a closed system is less than the amount of material entering the system, what conclusion can the experimenter make?
A.
that material remained in the system
B.
that material was lost
C.
that it will be difficult to make an accurate measurement
D.
that parts of the system need to change

When the material that exits is lesser in amount than that of the entering material in a black box experiment, the parts of the system need to be changed.

In a black box experiment, the experimenters need to make assumptions regarding the drawing of conclusions. One such conclusion is the amount of material that exits.

If such amount is lesser than the one that enters the system, such experiment concludes that it is the time to change the parts of the system.

Hence, option D holds true regarding the black box experiment.

Learn more about black box experiment here:

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The web page you created displays the time in the correct time zone for the user's location.


What language was most likely to have been used?

C. JavaScript
Because -- If a web page displays the current time, the web page probably uses JavaScript to make it happen

what would happen if a low-pressure steam locomotive reached over 700 PSI, would it blow up or would something in the boiler burst?