Imagine two balloons filled with equal volumes of air at room temperature. One balloon is placed in a refrigerator, and one is set on a table at room temperature. What will happen to each balloon?

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

може ли да зареждате повече информация, моля

answer seismograph;