In a closed electrical circuit, what visible evidence indicates that energy is flowing?

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

What will a positive and a negative charge do if they are separated from each other?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island