Nico uses wire to connect a battery, a lightbulb, and a switch, but the bulb does not light up. which might explain this problem? a. the battery has too much power. b. the wires are bent. c. the circuit is closed. d. the switch is open.

(D) The switch is open , which implies that no current flows in the circuit.  (ANS)

Bent wires are of no problem unless the wires get cut which is not the case.

The circuit is closed, will actually help the bulb light up.

Much power depends on the bulb power rating which I am sure the examiner did not put in mind ( actually higher power = more light ) however, after the power given exceeds the power rating the bulb will burn out. 

“other instruments such as gravimeters and magnetometers are also used in the search for petroleum. extracting crude oil normally starts with drilling wells into an underground reservoir. when an oil well has been tapped, a geologist (known on the rig as the "mudlogger") will note its presence. “ this is what i found on google i hope it

For me a person with a phd and who knows what there talking about.i know the chances of a radiation leak is low but if it does the area within a 96.3 mile radius would be unusable because of contamination