When the switch is open, the model predicts that bulb ___ will have the same brightness as bulb ___. When the switch is closed, the model predicts that bulb ___ will be brighter than either bulb ___or bulb C. Both bulbs ___ and ___ will have the same brightness when the switch is closed.

“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

Letter a, because when there are unlike charges they will always attract to each other.