Fact 1: Electrocution causes harm to an organism.

Fact 2: Household wiring was involved in most of the electrocutions.

Given the two facts above, answer the question "What can cause harm to an organism?" with the following options: 
- Electrical energy
 - Electric devices
 - faulty household wiring
 - proper nutrition
 - Something that causes allergies
 - five glasses of water a day
 - exposure to cold
 - an adequate amount of exercise


 

   faulty household wiring      