Q: Fact 1: The vanes rotating in an electric fan causes air to move. Fact 2: Electricity flows through an electric motor in a fan, causing the fan's blades to turn. Given the two facts above, what would a turning blade cause?

Select from:
(a). air to move;
(b). scattered light;
(c). contamination;
(d). killing insects;
(e). air to freeze;
(f). water to cool down;
(g). heat energy;
(h). air to stagnate;
A:
(a).