The answer is the 1st statement.
Answer:
1. the color shown is the same as the color that it produces 2. the ink doesn't run out frequently
Explanation:
A good marker is determined by a fair price for a good quality .
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
Hopefully this will help and it's what you are looking for.
