1.1111111111
Explanation:
v=s/t
t=8:30-7:00=1:30
convert to second=5400second
s=60km covert to meter=6000
6000/5400=1.11111111
A, Lenz' Law. There need to be a difference of flux, so if you use AC you will get a current too.
Answer:
The most common oxidation numbers for a given element
