I NEED IT NOWW what task does a sensor perform in a closed loop feedback system a: measures the variable that represents the system state B: compares the variable to a reference variable C: defines the reference variable D: feeds d at a back into the system so that it can reach the desired state

a: measures the variable that represents the system state

Explanation:

a) click on any cells in the range of data

b) click the data

c) click sort& filter group, click sort

d) select the column to sort by and then select a sort order

e) select the next column to sort by and select the sort order

f) click ok