Current varies through all bulbs
There is no current through the bulbs
Current is the same through all bulbs
Answer:
Current is the same through all bulbs
Explanation:
Because it's a series circuit, the current traveling through the circuit doesn't change. In a parallel circuit, however, the current would not be the same due to the different 'paths' of the circuit.
B.increasing altitude
C.low humidity
D.clear sky
Apparently the answer is 4 but I have no idea why