Answer:
C.) Turning off the television at night
Step-by-step explanation:
A.) is incorrect because unplugging electrical appliances not in use is a safety precaution. It is possible for voltages to short and cause the appliances to either turn on or short circuit. By keeping them unplugged, these issues can be prevented.
B.) is incorrect because storing flammable materials in a cool place is a safety precaution. Flammable materials can catch on fire easily. Keeping them in someplace dry and hot may light the materials on fire. This can be mitigated by storing them someplace cooler.
C.) is correct because turning off the television at night is not a safety precaution. Whether the TV is on or off, they are not more or less likely to cause a fire or any other damage to one's health. However, it is good to turn off the TV to save energy and money,
D.) is incorrect because not overloading outlets is a safety precaution. Overloading outlets may cause the wires to overheat, melt, and cause a fire.