Which half-reaction is most easily reduced? al3+ + 3e- al = -1.66 v cu2+ + 2e- cu = 0.34 v fe3+ + e- fe2+ = 0.77 v na+ + e- na = -2.71 v pb2+ + 2e- pb = -0.13 v

answer: the primary difference between a hypothesis and a theory is that b hypothesis is falsifiable, but a theory has been proven to be correct. theory is an explanation of something that is happening but hypothesis is a guess of something that can happen

explanation:

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)