Fact 1: When electricity flows to a light bulb , the light bulb will turn on. Fact 2: An electric current is a flow of electric charge. Given the two facts above, what can turn a lightbulb on?

A). Electric current
B). cigarettes
C). Shining a flashlight on it
D). hydrogen and oxygen
E). Unplugging the lamp
F). direct energy
G). Sunlight
H). heat energy
Answer:
A).