Difference between control group and experimental group

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

Contrast how pollination is different among gymnosperms and angiosperms.

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations