You are presented with the question "What does something used for protecting plants by killing insects require?" and the following answer choices: 
- electricity
 - hydrogen and oxygen
 - organic molecules
 - food and shelter
 - important habitats
 - Special disposal
 - chemical messengers
 - deoxyribonucleic acid

Now knowing that apesticide is used for protecting plants by killing insects and pesticide use requires disposal of either excess pesticides or empty pesticide containers, choose the best answer.


 

      Special disposal   