Answer:
food
<u><em>Please mark as brainliest if answer is right </em></u>
Have a great day, be safe and healthy
Thank u
XD
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 first two make sense because of the gamete cells