based on the information given, which part of inverstigation 2 is most likely the independent variable

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane