Answer the following question given this paragraph: 

Diseases caused by roundworms are more common in developing countries. Many parasitic diseases caused by roundworms result from poor personal hygiene. Contributing factors may include.


Q: More common in developing countries, parasitic diseases caused by roundworms often result from poor practice of what?

 Choices:

- agriculture

- education

- preventative medicine

- personal hygiene

A:
personal hygiene
