It is the manipulated variable. It is changed in an experiment to see how it would effect another variable.
PH meter, which is a device used to measure hydrogen-ion activity in the solution. A PH meter is a voltmeter stuck to a pH electrode and a reference electrode. -maclittleseed
The only answer that could be considered an advantage is C. Increasing the amount of crops harvested.
Answer:
Majority opinions. Almost every case has a majority opinion. ...
Concurring opinion. ...
Concurring in the judgment. ...
Explanation: