Fact 1: Disease-causing microbes have a negative impact on the body.

Fact 2: Microbes are tiny living cells.

Given the two facts above, answer the question "What can cause disease, and have a negative impact on the body?" with the following options: 
- Tiny living cells.
 - dead organisms
 - smoking tobacco
 - deoxyribonucleic acid
 - single-celled organisms
 - Body doubles.
 - Negative balance.
 - Crater impact.


 

 Tiny living cells.        