A plastic block is rubbed using a silk handkerchief, and the block then becomes charged. What makes the block become charged?
- ANegative electrons flow from the handkerchief and positive electrons flow from the block.
- BNegative electrons flow from the handkerchief to the block.
- CPositive electrons flow from the block to the handkerchief.
- DPositive electrons flow to the handkerchief and negative electrons flow to the block.