Fact 1: Scraping oneself on a contaminated object may cause infection.

Fact 2: Infection can cause meningitis.

Given the two facts above, answer the question "Meningitis can be caused by what?" with the following options: 
- getting too cold after a shower
 - decomposing dead organisms
 - staying up too late when sick
 - influenza orthomyxoviruses
 - scraping oneself on a contaminated object
 - Microscopic organisms
 - smallest agents of disease
 - bruising oneself after a fall


 

     scraping oneself on a contaminated object    