Insect bites cause harm to living things, and insect repellents are used against flea bites. Given these facts, how can you prevent harm caused by flea bites among the following options:
- Bathing your dogs
 - Using repellent
 - Eating healthier
 - Endocrine system
 - prolactin release
 - an external framework
 - focusing a lens
 - Drinking water


 

  Using repellent       