Which of the following statements is most true regarding the accuracy of scientific measurement devices?

A.) Two identical rulers will always yield the same measurement.

B.) The accuracy of an ideal balance is not affected by external forces.

C.) Because it is sealed, a GPS unit is not affected by electro-magnetic variation.

D.) Changes in moisture and temperature can warp a measurement device.

Question

Which of the following statements is most true regarding the accuracy of scientific measurement devices?
		
A.) Two identical rulers will always yield the same measurement.
		
B.) The accuracy of an ideal balance is not affected by external forces.
		
C.) Because it is sealed, a GPS unit is not affected by electro-magnetic variation.
		
D.) Changes in moisture and temperature can warp a measurement device.

anonymous · Answer

I think the answer would be D.